title: Abstracts from Japanese journal of hygiene(nihon eiseigaku zasshi) Vol.54 No.2.
authors: Department of Social and Environmental Medicine, Osaka University Graduate School of Medicine, Osaka.
authors: T
authors: T
authors: Takeshita
authors: H
authors: H
authors: Tanii
authors: X P
authors: XP
authors: Zang
authors: K
authors: K
authors: Saijoh
authors: Y
authors: Y
authors: Fujita
authors: K
authors: K
authors: Kodama
authors: F
authors: F
authors: Kasagi
authors: S
authors: S
authors: Fujita
authors: M
authors: M
authors: Kishimoto
authors: S
authors: S
authors: Tanihara
authors: T
authors: T
authors: Ojima
authors: I
authors: I
authors: Oki
authors: Y
authors: Y
authors: Nakamura
authors: H
authors: H
authors: Yanagawa
authors: T
authors: T
authors: Nose
authors: Y
authors: Y
authors: Momose
authors: A
authors: A
authors: Kaetsu
authors: T
authors: T
authors: Ishii
authors: K
authors: K
authors: Shibata
authors: M
authors: M
authors: Miyazaki
authors: M
authors: M
authors: Moriyama
authors: H
authors: H
authors: Une
authors: M
authors: M
authors: Katakura
authors: N
authors: N
authors: Sugawara
authors: M
authors: M
authors: Miyai