title: Chronic heartburn: do you need an endoscopy? Before your doctor takes a &quot;just in case&quot; look down your throat for trouble, make sure you really need this procedure.
mesh_terms: D004724:Endoscopy; D006356:Heartburn / Q000000981:diagnostic imaging*; D006801:Humans; D010614:Pharynx / Q000000981:diagnostic imaging*