[Proceedings of the fifty-fourth annual meeting of the Japanese Society for Hygiene. April 2-4, 1984, Yonago, Japan. Abstracts].
D000328:Adult; D000368:Aged; D000375:Aging; D000818:Animals; D002648:Child; D003141:Communicable Diseases; D004782:Environmental Health; D006801:Humans; D007388:Internal Medicine