Tina M. St. John, MDAboutDr. St. John is a medical writer and editor with more than 15 years experience in the field. She is a former medical officer for the Centers for Disease Control and Prevention. Latest WorkLatest contributions from Tina M. St. John, MD, in Digestive Health, GERD, Heart Health
Tina M. St. John, MDAboutDr. St. John is a medical writer and editor with more than 15 years experience in the field. She is a former medical officer for the Centers for Disease Control and Prevention.