title: The value of the barium-swallow technique in the evaluation of the hypopharynx.
mesh_terms: D001466:Barium Sulfate; D003937:Diagnosis, Differential; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging; D006801:Humans; D007012:Hypopharyngeal Neoplasms / Q000000981:diagnostic imaging*; D007822:Laryngeal Neoplasms / Q000000981:diagnostic imaging; D010610:Pharyngeal Neoplasms / Q000000981:diagnostic imaging*; D011859:Radiography
chemical_list: D001466:Barium Sulfate