title: Have the major issues in voice disorders been answered by research in speech science? A 50-year retrospective.
mesh_terms: D000818:Animals; D049673:History, 20th Century; D006801:Humans; D007830:Larynx / Q000502:physiology; D012106:Research / Q000266:history; D013060:Speech; D013070:Speech Therapy; D014481:United States; D014831:Voice; D014834:Voice Training