title: Abstracts from japanese journal of hygiene (Nihoneiseigakuzasshi) Vol.52 No.2.
authors: Department of Health Administration, Faculty of Medicine, University of Tokyo, Tokyo.
authors: J
authors: J
authors: Su Lee
authors: K
authors: K
authors: Kawakubo
authors: A
authors: A
authors: Gunji
authors: K
authors: K
authors: Kawabata
authors: M
authors: M
authors: Imaki
authors: M
authors: M
authors: Ohgurt
authors: H
authors: H
authors: Kondo
authors: Y
authors: Y
authors: Hayashi
authors: S
authors: S
authors: Tanada
authors: T
authors: T
authors: Kishida
authors: R
authors: R
authors: Inaba
authors: H
authors: H
authors: Iwata
authors: M
authors: M
authors: Akisaka
authors: H
authors: H
authors: Zakouji
authors: M
authors: M
authors: Ariizumi
authors: I
authors: I
authors: Fukunaga
authors: F
authors: F
authors: Jitsunari
authors: N
authors: N
authors: Takeda
authors: F
authors: F
authors: Asakawa
authors: Y
authors: Y
authors: Maruyama
authors: Y
authors: Y
authors: Higaki
authors: N
authors: N
authors: Shono
authors: M
authors: M
authors: Nishizumi
authors: T
authors: T
authors: Tsuda
authors: Y
authors: Y
authors: Mino
authors: E
authors: E
authors: Yamamoto
authors: H
authors: H
authors: Matsuoka
authors: A
authors: A
authors: Babazono
authors: J
authors: J
authors: Shigemi
authors: M
authors: M
authors: Miyai