Lupus is the 26th out of 73 Rheumatology journals. This Journal is the 2716th out of 15,471 Health Sciences journals. This means the journal is among the top 18% 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.