title: [Early roentgenological signs in perforation of the cervical segment of the esophagus].
mesh_terms: D003937:Diagnosis, Differential; D004646:Emphysema / Q000000981:diagnostic imaging; D004939:Esophageal Perforation / Q000000981:diagnostic imaging*; D006801:Humans; D009333:Neck; D011859:Radiography; D013997:Time Factors
vernacular_title: Ranniĭ rentgenologicheskiĭ priznak perforatsii sheĭnogo otdela pishchevoda.