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The Lancet Child & Adolescent Health (paediatrics) launched in 2017. According to the Journal Citation Reports, The Lancet Oncology had a 2021 impact factor of 54.433, The Lancet Neurology had 59.935, and The Lancet Infectious Diseases had 71.421. [8] There is also an online website for students entitled The Lancet Student in blog format ...
The Lancet Psychiatry is a peer-reviewed scientific journal ... the journal has a 2022 impact factor of 64.3 and is ranked second out of 155 journals in the ...
The impact factor relates to a specific time period; it is possible to calculate it for any desired period. For example, the JCR also includes a five-year impact factor, which is calculated by dividing the number of citations to the journal in a given year by the number of articles published in that journal in the previous five years. [14] [15]
A study published in 2021 compared the Impact Factor, Eigenfactor Score, SCImago Journal & Country Rank and the Source Normalized Impact per Paper, in journals related to Pharmacy, Toxicology and Biochemistry. It discovered there was "a moderate to high and significant correlation" between them. [25]
The journal usually has the highest impact factor of the journals of internal medicine. According to the Journal Citation Reports, NEJM had a 2017 impact factor of 79.258, [37] ranking it first of 153 journals in the category "General & Internal Medicine". [38] It was the only journal in the category with an impact factor of more than 70.
The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science.
The World Anti-Doping Agency on Monday offered an explanation for why top-ranked tennis player Jannik Sinner received a much shorter doping ban than the six-year suspension it handed to a Spanish ...
As a rule of thumb, each field should be represented by fewer than ten positions, chosen by their impact factors and other ratings. Note : there are many science magazines that are not scientific journals, including Scientific American , New Scientist , Australasian Science and others.