Of these, 305 were excluded based on specific criteria, which included a previous diagnosis of dysphagia, diabetic dysautonomia, scleroderma, structural pathology, or a history of neck surgery (tumors ...

Dr. Ransom is a graduate of the University of Iowa College of Medicine (1962) and was certified by the American Board of Allergy and Immunology in 1974. He is a Fellow of the American College of ...