Annals of Surgery is the 3rd out of 645 Surgery journals. This means the journal is among the top 1% in the discipline of Surgery. This Journal is the 344th out of 15,471 Health Sciences journals. This means the journal is among the top 3% in the science branch of Health Sciences.
How are inpact factors calculated?
The impact factor (IF) is calculated by counting citations from peer-reviewed journals only.
extended IF also counts citations from books and conference papers. However, no patent, abstract, working papers, online documents, etc., are covered.