[A STUDY OF THE METHOD AND SIGNIFICANCE OF MASS EXAMINATION OF THE STOMACH  BY PHOTOFLUOROGRAPHY].
D002933:Cineradiography; D006801:Humans; D008403:Mass Screening; D010779:Photofluorography; D012106:Research; D013274:Stomach Neoplasms
CINEFLUOROGRAPHY; MASS SCREENING; STOMACH NEOPLASMS