| A.M.A. archives of internal medicine | AMA Arch. Intern. Med. | 0888-2479 | | | | | |
| Acta Diabetologica | Acta Diabetol | 0940-5429 | 3.21 | Q2 | 3区 | | |
| Acta Diabetologica Latina | Acta Diabetol. Lat. | 0001-5563 | | | | | |
| Acta Medica Scandinavica | Journal of Internal Medicine | 0001-6101 | | | | | |
| Acute Medicine | Acute Med. | 1747-4884 | | | | | |
| Advances in Clinical and Experimental Medicine | Adv Clin Exp Med | 1899-5276 | 1.93 | Q3 | 4区 | | |
| Advances in Internal Medicine | Adv. Intern. Med. | 0065-2822 | | | | | |
| American Journal of Hypertension | Am. J. Hypertens. | 0895-7061 | 3.17 | Q2 | 3区 | | |
| Amyloid : the international journal of experimental and clinical investigation : the official journal of the International Society of Amyloidosis | | 1350-6129 | 5.26 | Q1 | 2区 | | |
| Anales de Medicina Interna | | 0212-7199 | | | | | |
| Annales de Medecine Interne | Ann. Med. Interne. (Paris). | 0003-410X | | | | | |
| Annali Italiani di Medicina Interna | | 0393-9340 | | | | | |
| Annals of Internal Medicine | Ann Intern Med | 0003-4819 | 19.43 | Q1 | 1区 | | |
| Annals of Internal Medicine Clinical Cases | | 2767-7664 | | | | | |
| Annals of Pancreatic Cancer | | 2616-2741 | | | | | |
| Archives of Internal Medicine | Arch Intern Med | 0003-9926 | | | | | |
| Archivio di Medicina Interna | Arch. Med. Interna. | 0004-010X | | | | | |
| Arquivos Brasileiros de Pediatria | | 0104-5652 | | | | | |
| Arterial Hypertension | | 2449-6162 | 0.20 | Q4 | | | |
| Arterial Hypertension (Russian Federation) | | 1607-419X | | | | | |