- Medycyna Weterynaryjna
- Medycyna Wieku Rozwojowego (d. Developmental Period Medicine)
- Medyczna Wokanda
- Melliand Textilberichte
- Membranes
- Memo - Magazine of European Medical Oncology
- Mémoires Pharmaceutiques
- Memoranda Wiadomości Archidiecezji Lubelskiej
- Memorias do Instituto Oswaldo Cruz
- Menedżer Pielęgniarstwa
- Menopause : the Journal of the North American Menopause Society
- Menopauza
- Metabolic Brain Disease
- Metabolites
- Metabolomics : open access
- Metallomics
- Methods and Findings in Experimental and Clinical Pharmacology
- Methods in Cell Biology
- Methods in Cell Science : an official journal of the Society for In Vitro Biology.
- Methods in Molecular Biology
- Methods of Information in Medicine
- Microbial Drug Resistance
- Microbial Pathogenesis
- Microbiological Research
- Microbiology Resource Announcements
- Microbiology Spectrum
- Microbiology-UK
- Microbiota in Health and Disease : the official journal of European Helicobacter and Microbiota Study Group
- Microchemical Journal
- Microchimica Acta
- Micron
- Microorganisms
- Microporous Mesoporous Materials
- Microscopy and Microanalysis
- Microscopy Research and Technique (d. Journal of Electron Microscopy Technique)
- Microvascular Research
- Międzynarodowe Wiadomości Medyczne
- Migrena
- Migrena News
- Mikologia Lekarska
- Military Medical Research
- Military Medical Science Letters
- Minerva Anestesiologica
- Minerva Cardioangiologica
- Minerva Ginecologica
- Minerva Medica
- Minerva Pediatrica
- Mini-Invasive Surgery
- Minimally Invasive Therapy & Allied Technologies
- Mini-Reviews in Medicinal Chemistry
- Mini-Reviews in Organic Chemistry
- Mir Mediciny
- Miscellanea Anthropologica et Sociologica
- Miškininkystė ir Kraštotvarka
- Mitochondrial DNA
- Mitochondrion
- Moda na Farmację
- Modern Pathology
- Modern Phytomorphology
- Moje Zdrowie: domowy poradnik medyczny
- Mokchae Konghak
- Mokslo Taikomieji Tyrimai Lietuvos Kolegijose
- Molbank
- Molecular & Cellular Proteomics
- Molecular and Cellular Biochemistry
- Molecular and Cellular Biology
- Molecular and Cellular Endocrinology
- Molecular and Chemical Neuropathology
- Molecular and Clinical Oncology
- Molecular and Quantum Acoustics