American College of Physicians/Annals of Internal Medicine
The American College of Physicians (ACP) is a national organization of internists, the largest medical-specialty organization and second-largest physician group in the United States. Our 159,000 members include internists, internal medicine subspecialists, medical students and resident fellows.
Annals of Internal Medicine is among the most highly cited and influential journals in the world. The most recent (2018) Impact Factor for Annals of Internal Medicine is 19.315 (Clarivate Analytics), with 57,057 total cites in 2018.