[ON INDIRECT RADIOGRAPHY IN MASS EXAMINATION OF THE STOMACH].
D001699:Biometry; D005773:Gastroscopy; D006801:Humans; D007564:Japan; D008403:Mass Screening; D013223:Statistics as Topic; D013274:Stomach Neoplasms
GASTROSCOPY; JAPAN; MASS SCREENING; STATISTICS; STOMACH NEOPLASMS