| #1951 | Microbiological reviews. -- Washington : American Society for Microbiology, 1978-1996. -- ISSN 0146-0749 |
| #1952 | Microbiology abstracts, Section B, Bacteriology. -- London : Information Retrieval, 1972-. -- ISSN 0300-8398 print. -- ISSN 1555-4481 online |
| #1953 | Microbiology and molecular biology reviews. -- Washington : American Society for Microbiology, 1997-. -- ISSN 1092-2172 |
| #1954 | Microsurgery. -- New York : Wiley-Liss, 1983-. -- ISSN 0738-1085 print. -- ISSN 1098-2752 online |
| #1955 | Microvascular research. -- New York : Academic Press, 1968-. -- ISSN 0026-2862 print. -- ISSN 1095-9319 online |
| #1956 | Midwifery. -- Edinburgh : Churchill Livingstone, 1985-. -- ISSN 0266-6138 |
| #1957 | Mie medical journal. -- Tsu : Mie Prefectural Univ. School of Medicine, 1952-2001. -- ISSN 0026-3532 |
| #1958 | Mikrobiologičeskij žurnal. -- Kijev : Naukova dumka, 1978-. -- ISSN 0201-8462 |
| #1959 | Mikrobiologija. -- Moskva : Nauka, 1932-. -- ISSN 0026-3656 |
| #1960 | Military medicine. -- Kensington : Association of Military Surgeons of the United States, 1955-. -- ISSN 0026-4075 |