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.
Orthopaedics and Trauma presents a unique collection of International review articles summarizing the current state of knowledge in orthopaedics. Each issue begins with a focus on a specific area of the orthopaedic knowledge syllabus, covering several related topics in a mini-symposium; other articles complement this to ensure that the breadth of orthopaedic learning is supplemented in a 4 year cycle.