Main Disciplines of This Journal
|Gerontology||2nd (of 49 journals)||2||74,872|
|Cell Biology||79th (of 375 journals)||4.9||1,831,459|
|Social Sciences||273rd (of 18,687 journals)||0.9||11,411,946|
|Biology||475th (of 5,258 journals)||2.8||12,154,064|
|Life Sciences||687th (of 8,993 journals)||2.6||19,280,385|
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.