[ON CAUSES OF ERRORS IN THE X-RAY DIAGNOSIS OF STOMACH CANCER. (ANALYSIS OF  12 YEARS' DATA)].
D006801:Humans; D009369:Neoplasms / Q000175:diagnosis*; D013902:Radiography, Thoracic; D013274:Stomach Neoplasms; D014965:X-Rays
NEOPLASM DIAGNOSIS; STOMACH NEOPLASMS; THORACIC RADIOGRAPHY