- Marshall, Carmelita, author1
- Martin Anderson, Kristine, author1
- Martin, Alejandra, author4
- Martin, Brendan, author1
- Martin, Katie, (Of Health Care Cost Institute), author1
- Martin, Katie, author3
- Martin, Kristi, author1
- Martin, Laurie T. (Laurie Thayer), 1974- author1
- Martin, Lynda, author1
- Martinchek, Kassandra, author1
- Martinez, Ana E., author3
- Martinez, Martin, author1
- Martinez-Vidal, Enrique, author2
- Marus, Jessica, author4
- Masand, Jasmine, author2
- Masaoay, Telyse, author1
- Masitha, Relebohile, author1
- Massachusetts Medical Society.2
- Mathews, Ella, author1
- Matiasek, Jennifer, author1