SNIP measures contextual citation impact by weighting citations based on the total number of citations in a subject field.
SJR is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and a qualitative measure of the journal’s impact.
As the clinical applications of positron emission tomography (PET) increase, PET Clinics brings together the combined expertise of leading authorities in the field to provide you incisive clinical reviews on advances in the use of PET. Published quarterly (January, April, July, and October), PET Clinics examines this technology's effectiveness in cancer diagnosis and staging, as well as exploring PET's usefulness in the areas of dementia, myocardial viability, and other conditions. Full-color images featured throughout. Topics include breast cancer, Alzheimer's disease and dementia, lymphoma, lung cancer, cardiology, pediatric applications, infection and inflammation, as well as oncologic imaging, neurologic imaging, cardiac imaging, pediatric imaging, PET/CT imaging, and PET/MRI imaging. In addition, you can also purchase a CME subscription that offers up to 60 AMA Category 1 credits per year.