title: [Application of a small computer in esophageal x-ray examination study of active and resting stages].
mesh_terms: D003201:Computers; D003203:Computers, Hybrid; D003936:Diagnosis, Computer-Assisted; D004571:Electrokymography / Q000295:instrumentation*; D004947:Esophagus / Q000000981:diagnostic imaging*; D013690:Television