title: Abustracts from Japanese journal of hygiene (Nihon Eiseigaku Zasshi) vol.52 no.4.
authors: Department of Life Science, Kawamura College, Tokyo.
authors: T
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authors: Sakaguchi
authors: S
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authors: Sakaguchi
authors: Y
authors: Y
authors: Kudo
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authors: Yanagisawa
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authors: Kuwano Oga
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authors: Takada
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authors: Washino
authors: R
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authors: Inaba
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authors: Yumoto
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authors: Iwata
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authors: Shibazaki
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authors: Nagai
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authors: Asou
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authors: Nakamura
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authors: Yanagawa
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authors: Kawamura
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authors: Ohno
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authors: Umeda
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authors: S
authors: Nakaji
authors: K
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authors: Sugawara
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authors: S
authors: Kurakake
authors: N
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authors: Okamura
authors: Y
authors: Y
authors: Ohshita
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authors: Y
authors: Sakurai
authors: N
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authors: Yoshizawa
authors: T
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authors: Kuriyama
authors: K
authors: K
authors: Oishi
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authors: Kakazu
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authors: K
authors: Machida
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authors: I
authors: Oki
authors: S
authors: S
authors: Tanihara
authors: T
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authors: Ojima
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authors: Mori
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authors: T
authors: Hirai
authors: T
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authors: Tomiyama
authors: K
authors: K
authors: Iida
authors: S
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authors: Miyakoshi
authors: K
authors: K
authors: Sato
authors: Y
authors: Y
authors: Kusaka
authors: M
authors: M
authors: Yanagihara
authors: K
authors: K
authors: Ueda
authors: S
authors: S
authors: Nakaji
authors: Y
authors: Y
authors: Oshita