Archives of Medical Research Guidelines for Authors Including New Information for Mandatory Manuscript and Peer Review Submission with the Elsevier Electronic System (EES) http://ees.elsevier.com/arcmed/

Archives of Medical Research, published and distributedby Elsevier Inc., is the official medical research publicationof the Instituto Mexicano del Seguro Social, IMSS(Mexican Institute of Social Security), Coordinación deInvestigación en Salud (Health Sciences ResearchCoordination). This peer-reviewed Journal is publishedeight times per year and includes articles covering all areasof medical research relevant to human disease. Articlesreporting original research that demonstrate pertinence tohuman medical investigation are encouraged and can bepublished as Original Articles, Preliminary Reports, Meta-Analysis, Opinions, Letters to the Editor, and ReviewArticles, written by experts in their field.

Manuscripts written proficiently in scientific English areaccepted from authors in any country and should be submitted only via http://ees.elsevier.com/arcmed/ , toLuis Benítez-Bribiesca, Editor-in-Chief. The EditorialOffice of Archives of Medical Research is located atCentro Médico Nacional Siglo XXI, Unidad de Congresos,Bloque B, 4° piso, Av. Cuauhtémoc #330 Col. Doctores,06725 México, D.F., México (Fax: +52 555 761 1503),E-mail address: archmedres_editor@cis.gob.mx. Once all Elsevier Electronic System (EES) manuscript submission requirementsare fulfilled, the work will be accepted for submittal and animmediate acknowledgment of receipt letter willautomatically be sent to the corresponding author,along with an EES accession number to be used for allfurther correspondence. After peer review and acceptance,manuscript production status from the Elsevier Production Tracking System may be obtained at: http://www.elsevier.com/locate/arcmed. In addition, allmanuscript reviewers who kindly afford their much appreciatedtime and expertise to our peer review processwill be asked to enter the EES system at http://ees.elsevier.com/arcmed/ for all communicationsregarding the manuscript.

Submission of a manuscript implies that it reportsunpublished work and, if accepted for publication, will notbe published elsewhere without Journal consent. A lettersigned by every author expressly stating the specificcontribution of each author must be sent with the electronicsignature of all coauthors.This letter should express that the final manuscripthas been seen and approved by all authors and that theyhave taken due care to ensure the integrity of the work. Asstated in the Uniform Requirements (see later), credit forauthorship requires substantial contributions to a)conception and design, or analysis and interpretation ofdata, b) drafting of the article or critical revision forimportant intellectual content; and c) final approval of the version to be published. All these conditions must be met and should belisted in each co-author letter.

Include separately the complete names and e-mail addressesof two internationally recognized experts in the scientificarea of your manuscript to be used as peer reviewers at the discretion of theEditorial Board of the Journal.

Scope of the Journal. Medical research relevant to humandisease.

Natural Products. Studies mentioning the use of naturalproducts must first describe active compounds if known,and significant actions. All active agents should be sufficientlyidentified with chemical names as well as registrynumbers and common names where appropriate. Studiesthat do not include these may be rejected without furtherreview. The use of purified agents is encouraged.

Form. Manuscripts should be submitted only electronically viathe EES system with text and tables preferably in Word format.Number pages consecutively, beginning with the title page.

Manuscript Preparation. Assemble the manuscript inthis order: Title page, Abstract, Text, Acknowledgments,References, Tables, Figure Legends and Figures. Prepare themanuscript in Word using 12 point Times New Roman font, with 1 inch margins all around, flush leftmargin without paragraph indents, unjustified right margin.This format includes the title page, where all informationshould be presented as previously mentioned. Do not boldface anyinformation unless it is explained and necessary. Do not centerany information.

Organization. Organize manuscripts as follows:

Title Page. The title page should contain a brief, concisetitle of not more than 150characters. Titles should accurately reflect the content ofthe article. Provide a running title of no more than 50characters. The Editors of Archives of Medical Researchreserve the right to modify titles when deemedappropriate. Following the title and running title, all authornames should be listed, without any degrees or titles.Affiliations (without street addresses) should be listedbelow author names, using a superscript letter to identifythe authors with their corresponding affiliation. The authorto whom correspondence should be sent should be listedbelow the affiliations and should include complete name,street address, city, state, country, postal code, FAXnumber (if applicable), and e-mail address (obligatory for submission).

Abstract. Include a Structured Abstract(Sections entitled Background, Aim of the study, Methods, Results, andConclusions, no more than 250 words) followed by four tosix key words or short phrases for cross-indexing. Refer tothe Medical Subject Headings-Annotated Alphabetic List (National Institutes of Health, National Library ofMedicine, Library Operations, Medical Subject Headings,Bethesda, MD 20894, USA, http://www.nlm.nih.gov/mesh/ ) for internationallyaccepted subject headings. Do not cite Referencesin the Abstract.

Sections should be in the following order: Introduction,Materials and Methods, Results, Discussion, and Conclusion. Acknowledgments (if mentioned), and Referencesfollow the text. Tables, with included titles, and FigureLegends follow. Figures should be sent separately. See Section on Illustrations. When using abbreviations, clearly explain at first mention and use abbreviation consistently thereafter. Do not overuse abbreviations.

Research on Human Subjects. All research involving human subjects must contain a statement reflecting informed consent and approval from the scientific and ethics committees at the end of the Methods section. Conflict of interest should be specified.

References. Accuracy of references is the responsibility of the authors. Copy authors' names, article titles and other publisher information accurately, according to the Uniform Requirements for Manuscripts Submitted to Biomedical Journals (N Engl J Med 1997;336:309-316). Confirm that all references mentioned in the text are presented in the Reference section at the end of the paper (and vice versa). References mentioned within text should be presented in Arabic numbers in parentheses and appear before the ending punctuation if at the end of the sentence. Do not superscript reference numbers. References are numbered sequentially in the text. The Reference list at the end of the paper should be numbered in the order as mentioned in the text and must match the in-text citation. Limit the number of authors listed to three, after that, use et al. References may contain only published works and papers in press. Works in progress, manuscripts submitted but not yet accepted, unpublisheddata, and personal communications may only be acknowledged (in parentheses) within the text (including year).

Format examples:

Articles in Journals*
Vega KJ, Pina I, Krevsky B. Heart transplantation isassociated with an increased risk for pancreatobiliarydisease. Ann Intern Med 1996;124:980-983.
*We do not include month and number of the cited journal, asspecified in the second option of the Uniform Requirementsfor Manuscripts Submitted to Biomedical Journals.

Volume with supplement
Shen HM, Zhang QF. Risk assessment of nickel carcinogenicityand occupational lung cancer. Environ HealthPerspect 1994;102(suppl):275-282.

Books and other monographs
(Note: Previous Vancouver style incorrectly had a commarather than a semicolon between the publisher and the date.)

Personal author(s)

Ringsven MK, Bond D. Gerontology and Leadership Skillsfor Nurses. 2nd ed. Albany, NY: Delmar Publishers; 1996.

Editor(s), compiler(s) as author

Norman IJ, Redfern SJ, eds. Mental Health Care for ElderlyPeople. New York: Churchill Livingstone; 1996.

Book chapter

(Note: Previous Vancouver style had a colon rather than aperiod before pagination.)

Phillips SJ, Whisnant JP. Hypertension and stroke. In:Laragh JH, Brenner BM, eds. Hypertension: Pathophysiology,Diagnosis, and Management. 2nd ed. New York:Raven Press; 1995. pp. 465-478.

Conference proceedings
Kimura J, Shibasaki H, eds. Recent advances in clinicalneurophysiology. Proceedings of the 10th InternationalCongress of EMG and Clinical Neurophysiology; 1995 Oct15-19; Kyoto, Japan. Amsterdam: Elsevier; 1996.

Patents:
Larsen CE, Trip R, Johnson CR, inventors; NovosteCorporation, assignee. Methods for procedures related to theelectrophysiology of the heart. US patent 5,529,067. 1995Jun 25.

Periodical abbreviations should conform to those used in theIndex Medicus as first published in its January issue each yearand in the first volume of the annual Cumulated Index Medicus.

Tables and Figures. Be sure that all Tables and Figures arementioned in the text. The publisher will prepare the finallayout of all Tables and Figures appropriately, as close tothe mention in the text as possible. It is not necessary toindicate where Tables and Figures should be placed. Nomore than 6 tables and/or figures will be regularly accepted(exceptions may be discussed). Tables or Figures usedfrom another published source (either exactly or closelyadapted) require written permission from the publisher. Itis the author's responsibility to obtain this permissionupon acceptance of the manuscript by Archives of MedicalResearch. Elsevier will not publish any material that hasbeen previously published without this permission.Manipulation of images for the purposes of deception orfraud is considered an ethical abuse and precludes the suspensionof authors to publish again in this journal.

Tables. Each Table should be typed, double-spaced, on a separatepage using Word format. Tables should be self-containedand self-explanatory. Provide a title for each table and useArabic numbers. Do not use vertical lines to separate informationwithin the table. Avoid the use of both tables and graphs toillustrate the same results and detailed description of informationin either within the text that can be easily observed in theTables and Figures. Use superscript letters for table legends.

Illustrations. Instructions for submitting Figures may befound on the EES page (http://ees.elsevier.com/arcmed/) under Author Information Artwork Guidelines. Originalillustrations should be professionally designed, in twodimensions, separately from the text (Tables are includedwith the Text), and submitted with the manuscript in recentversions of software programs. (Elsevier recommends thatonly JPEG, EPS, or PDF formats be used for electronicartwork.) Figure size must be at least 8.5 cm (maximum 17.6 cm) in width. Resolution of the jpg images must be at least 300 dpi. Color illustrations areencouraged; however, the cost of color printing is at the author's expense and arrangeddirectly with the publisher (t.monturano@elsevier.com). The electronic version will contain color illustrations.

Supplementary Material. You may send supplementary images,tables, figures and videos to be added online. For further informationplease access: www.elsevier.com/artworkinstructions

FULL LENGTH ARTICLE: This is a research study thatdescribes original results of broad appeal with sufficient informationto be critically evaluated. Sections must be presented in thefollowing order: Title page, Abstract, Text, Acknowledgments,References, Tables, Figure Legends and Figures. The manuscript infull should not exceed 5000 words (including figure legends).

PRELIMINARY REPORTS: These are brief, definite reports ofnovel findings that are relevant to medical practice. They use thesame structure as original articles (with the exception of an unstructuredAbstract) and emphasis should be given to the concise presentationof results with sufficient explanation of experimental ormethodological data. Limit to 2500 words including all aspects ofthe manuscript, and use no more than 2 tables or figures and 20references. These brief manuscripts are reviewed for their novelty,immediacy, significance, and completeness and may report preliminaryresults.

REVIEW ARTICLES: Review articles will generally be by invitationof the Editorial Board. They should be concise but includecontroversies in the field as well as abundant bibliography; specificviewpoints may be included as long as they are well founded. Theirmain purpose is to provide up-to-date information about a topic byan expert in the field. Non-invited authors may submit review articlesaccompanied by a list of their own published works in the fieldthat confirms their expertise in the area. The Editorial Board willthen decide whether to accept or decline the manuscript. Reviewarticles must contain no more than 7000 words.

OPINION: This is an expression of the author's opinion about amedical subject, 850 words including text, references, and acknowledgments,but not including the title page.

LETTERS TO THE EDITOR: Letters would preferably addressarticles published in Archives of Medical Research and should bestructured with 500 words including text, references, and acknowledgments,but not including the title page.

Proofs, Reprints, Subscriptions, and Copies. The correspondingauthor will receive proofs electronically that mustbe corrected and returned to Elsevier according to their instructions and in accordance with their deadlines in order to meet their publication schedules.
Elsevier reprint permissions information: http://www.elsevier.com/homepage/authors/?form=permis. Twenty-five complimentary reprints of each article are mailed to the corresponding author. An order form for requesting additional reprints will be sent by the publisher. Subscription and journal copies may be requested by contacting Elsevier Periodicals Customer Service, 11830Westline Industrial Drive, St. Louis, MO 63146. Telephone: (+800) 654-2452 (U.S. and Canada); (+314) 453-7041 (outside U.S. and Canada). Fax: (+314) 523-5170. E-mail: journalscustomerservice-usa@elsevier.com (for print support); journalsonlinesupport-usa@elsevier.com (for online support).

Copyright. Upon acceptance of an article by the Journal,the author(s) will be asked, in a separate letter with formsattached, to transfer copyright to the Instituto Mexicanodel Seguro Social to provide the widest diffusion ofinformation. This copyright must be signed and returnedvia email to Elsevier Log-In in Philadelphia within48 hours. Non-compliance will delay issue publication ofthe individual article. Elsevier copyright information: http://www.elsevier.com/locate/authors/copyright.

Elsevier Further Liberalization of Copyright. To demonstratetheir continued support for scholarly communications,on June 3, 2004, the following was published in a communicationfrom Arie Jongejan, CEO, Science and Technology,Elsevier, entitled Building Insights, Breaking Boundaries: Authors of papers published in any Elsevier journal cannow post the final text of their articles, as accepted by thejournal, i.e., with all of the changes made during the peer-reviewand editing process, on the authors' personal or theirinstitutions' websites.

Instructions included in these Archives of MedicalResearch guidelines conform to guidelines indicated by theInternational Committee of Medical Journal Editors (see Uniform Requirements for Manuscripts Submitted toBiomedical Journals: N Engl J Med 1997; 336:309-316).Download the Uniform Requirements at http://content.nejm.org/cgi/content/full/336/4/306.

Archives of Medical Research is indexed in CurrentContents (Life Sciences)-Science Citation Index-IndexMedicus—Excerpta Medica-Chemical Abstracts—LILACS(Brazil).Consult the Archives of Medical Research electronic page at http://www.elsevier.com/locate/arcmed and the Elsevierhome page at: http://www.elsevier.com

Updated May 2011