title: Abstracts from japanese journal of hygiene (Nihon Eiseigaku Zasshi) Vol.54 No.3.
authors: Department of Hygiene and Public Health, Teikyo University School of Medicine, Tokyo.
authors: K
authors: K
authors: Murata
authors: M
authors: M
authors: Yamamoto
authors: K
authors: K
authors: Endoh
authors: H
authors: H
authors: Nakadaira
authors: K
authors: K
authors: Nakamura
authors: Y
authors: Y
authors: Nakamura
authors: I
authors: I
authors: Oki
authors: S
authors: S
authors: Tanihara
authors: T
authors: T
authors: Ojima
authors: H
authors: H
authors: Yanagawa
authors: T
authors: T
authors: Ohida
authors: Y
authors: Y
authors: Osaki
authors: K
authors: K
authors: Okada
authors: Y
authors: Y
authors: Mochizuki
authors: M
authors: M
authors: Ogura
authors: M
authors: M
authors: Minowa
authors: T
authors: T
authors: Kawaguchi
authors: X J
authors: XJ
authors: Liu
authors: H
authors: H
authors: Kobayashi
authors: S
authors: S
authors: Demura
authors: F
authors: F
authors: Goshi
authors: M
authors: M
authors: Minami
authors: Y
authors: Y
authors: Nagasawa
authors: S
authors: S
authors: Sato
authors: M
authors: M
authors: Noda