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It is published by the BMJ Group and its editor-in-chief is Roderick J. McClure (University of New England). The journal is abstracted and indexed by CINAHL, MEDLINE, Scopus, and the Science Citation Index Expanded. According to the Journal Citation Reports, the journal has a 2023 impact factor of 2.5. [1]
Impact factor. 4.9 (2023) Standard abbreviations ... It is published by the BMJ Group. History. The journal was established in 1947 by John Ryle, ...
Hypocalcemia is a medical condition characterized by low calcium levels in the blood serum. [5] The normal range of blood calcium is typically between 2.1–2.6 mmol/L (8.8–10.7 mg/dL, 4.3–5.2 mEq/L), while levels less than 2.1 mmol/L are defined as hypocalcemic.
In any given year, the CiteScore of a journal is the number of citations, received in that year and in previous three years, for documents published in the journal during the total period (four years), divided by the total number of published documents (articles, reviews, conference papers, book chapters, and data papers) in the journal during the same four-year period: [3]
However, The BMJ in 2013 reported that it had become a signatory to the San Francisco Declaration on Research Assessment (commonly known as the Dora Agreement), which deprecates the inappropriate use of journal impact factors and urges journal publishers to "greatly reduce the emphasis on the journal impact factor as a promotional tool, ideally ...
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]
Total calcium of less than 8.0 mg/dL is hypocalcaemia, with levels below 1.59 mmol/L (6 mg/dL) generally fatal. Total calcium of more than 10.6 mg/dL is hypercalcaemia, with levels over 3.753 mmol/L (15.12 mg/dL) generally fatal.
In addition to the network-based SJR indicator, the SJR also provides a more direct alternative to the impact factor (IF), in the form of average citations per document in a 2-year period, abbreviated as Cites per Doc. (2y). [7] [8]