| #2471 | Mental retardation. -- Washington : American Association on Mental Retardation, 1963-2006. -- ISSN 0047-6765 |
| #2472 | Metabolic brain disease. -- New York : Plenum Press, 1986-. -- ISSN 0885-7490 print. -- ISSN 1573-7365 online |
| #2473 | Metabolík. -- Praha : Sdružení na pomoc chronicky nemocným dětem, 2001-. -- ISSN 1214-3057 |
| #2474 | Metabolism, clinical and experimental. -- : Saunders, 1952-. -- ISSN 0026-0495 print. -- ISSN 1532-8600 online |
| #2475 | Metabolomics. -- Dordrecht : Springer New York, 2005-. -- ISSN 1573-3882 print. -- ISSN 1573-3890 online |
| #2476 | Metal-based drugs. -- Tel Aviv : Freund Publishing House., 1994-. -- ISSN 0793-0291 |
| #2477 | Microbes and infection. -- Paris : Editions scientifiques et medicales Elsevier, 1999-. -- ISSN 1286-4579 print. -- ISSN 1769-714X online |
| #2478 | Microbial drug resistance : Mechanisms, epidemiology, and disease. -- New Rochelle : Mary Ann Liebert, 1995-. -- ISSN 1076-6294 print. -- ISSN 1931-8448 online |
| #2479 | Microbial pathogenesis. -- London : Academic Press, 1986-. -- ISSN 0882-4010 print. -- ISSN 1096-1208 online |
| #2480 | Microscopy research and technique. -- New York : Wiley-Liss, 1992-. -- ISSN 1059-910X print. -- ISSN 1097-0029 online |