| 1 | Magnetic Resonance Imaging 🔗 | 2007- | Clinical Key | 38 |
| 2 | Magnetic Resonance Imaging Clinics of North America 🔗 | 2007- | Clinical Key | 32 |
| 3 | Manual Therapy 🔗 | (2007-2016) | Clinical Key | 49 |
| 4 | Mass Gathering Medicine 🔗 | 2024- | Clinical Key | 3 |
| 5 | Maternal-Fetal Medicine 🔗 | 2019- | Ovid | 39 |
| 6 | Mathematical Medicine and Biology 🔗 | 1996- | Oxford | 55 |
| 7 | Maturitas 🔗 | 2007- | Clinical Key | 32 |
| 8 | Mayo Clinic Proceedings 🔗 | 2007- | Clinical Key | 42 |
| 9 | Mayo Clinic Proceedings: Digital Health 🔗 | 2023- | Clinical Key | 3 |
| 10 | Mayo Clinic Proceedings: Innovations, Quality & Outcomes 🔗 | 2017- | Clinical Key | 4 |
| 11 | MCN, The American Journal of Maternal Child Nursing 🔗 | 1996- | Ovid | 38 |
| 12 | Medical Care 🔗 | 1996- | Ovid | 27 |
| 13 | Medical Clinics of North America 🔗 | 2007- | Clinical Key | 29 |
| 14 | Medical Dosimetry 🔗 | 2007- | Clinical Key | 33 |
| 15 | Medical Engineering and Physics 🔗 | 2007- | Clinical Key | 31 |
| 16 | Medical Humanities 🔗 | 2000- | BMJ | 35 |
| 17 | Medical Hypotheses 🔗 | 2007- | Clinical Key | 46 |
| 18 | Medical Innovation & Business 🔗 | (2009-2010) | Ovid | 35 |
| 19 | Medical Law Review 🔗 | 1996- | Oxford | 35 |
| 20 | Medical Mycology 🔗 | 1996- | Oxford | 73 |
| 21 | Medical Reports 🔗 | 2023- | Clinical Key | 5 |
| 22 | Medicine 🔗 | 2007- | Clinical Key | 45 |
| 23 | Medicine 🔗 | 1922- | Ovid | 30 |
| 24 | Medicine & Science in Sports & Exercise 🔗 | 1995- | Ovid | 30 |
| 25 | Medicine: Case Reports & Study Protocols 🔗 | 2020- | Ovid | 33 |
| 26 | MedMat 🔗 | 2024- | Ovid | 39 |
| 27 | Melanoma Research 🔗 | 2000- | Ovid | 27 |
| 28 | Menopause 🔗 | 2000- | Ovid | 34 |
| 29 | Mental Health and Physical Activity 🔗 | 2008- | Clinical Key | 30 |
| 30 | Metabolism 🔗 | 2007- | Clinical Key | 28 |
| 31 | Metabolism Open 🔗 | 2020- | Clinical Key | 35 |
| 32 | MHR: Basic Science of Reproductive Medicine 🔗 | 1996- | Oxford | 41 |
| 33 | Microscopy 🔗 | 1996- | Oxford | 34 |
| 34 | Military Medicine 🔗 | 1997- | Oxford | 49 |
| 35 | Minerva Anestesiologica 🔗 | 1998- | Subscription | 33 |
| 36 | Modern Pathology 🔗 | 2000- | Subscription | 57 |
| 37 | Modern Rheumatology 🔗 | 2000- | Oxford | 1 |
| 38 | Modern Rheumatology Case Reports 🔗 | 2017- | Oxford | 0 |
| 39 | Molecular Biology and Evolution 🔗 | 1996- | Oxford | 50 |
| 40 | Molecular Endocrinology 🔗 | 1996- | Oxford | 48 |
| 41 | Molecular Human Reproductive 🔗 | 1996- | Oxford | 36 |
| 42 | Molecular Metabolism 🔗 | 2012- | Clinical Key | 40 |
| 43 | Molecular Syndromology 🔗 | 2014- | Karger | 39 |
| 44 | Molecular Therapy: Oncology 🔗 | 2024- | Clinical Key | 9 |
| 45 | Monographs of the Society for Research in Child Development 🔗 | 1990- | Oxford | 38 |
| 46 | Mucosal Immunology 🔗 | 2012- | Clinical Key | 37 |
| 47 | Multiple Sclerosis and Related Disorders 🔗 | 2012- | Clinical Key | 39 |
| 48 | Musculoskeletal Science and Practice 🔗 | 2017- | Clinical Key | 33 |
| 49 | Music Therapy Perspectives 🔗 | 1996- | Oxford | 35 |
| 50 | Mutagenesis 🔗 | 1996- | Oxford | 35 |