![]() ![]() those not cited during the following year. Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of. those documents other than research articles, reviews and conference papers. ![]() Chana joined NEJM as a 2014-2015 NEJM Editorial Fellow and has served as Editor of Images in Clinical Medicine since 2016. Jeff joined the New England Journal of Medicine (NEJM) as Editor-in-Chief in 2000 and. Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. Our goal is to build a community that takes a sophisticated approach to evaluating evidence and assessing its impact on. journal self-citations removed) received by a journal's published documents during the three previous years.Įxternal citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents. Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.Įvolution of the number of total citation per document and external citation per document (i.e. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.Įvolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years. Explore the latest in medicine including the JNC8 blood pressure guideline, sepsis and ARDS definitions, autism science, cancer screening guidelines. ![]() The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. Explore the content from across our disciplines, including the latest journal articles, special issues, and related books and digital. Journal Impact Factor The NEJM 2022 Journal Impact Factor is 158.5, making NEJM a top-ranking medical journal in the general medicine category. This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. NEJM is cited more often in scientific literature than any other medical journal, and has the highest Journal Impact Factor (72.46) of all general medical journals (2016 Journal Citation Reports. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values. The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. ![]()
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