DOES THE EFFECT OF A FAMILY PLANNING PROGRAM CONTINUE?
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Contraception↗
Biomedical subjects
Y KOYA
Publications and source records attributed to Y KOYA.
A family planning program in a large population group. The case of the Japanese National Railways.
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Contraception↗
The prevention of unwanted pregnancies in a Japanese village by contraceptive from tablets.
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Contraceptive Agents↗
Seven years of a family planning program in three typical Japanese villages.
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Contraception↗
A survey of health and demographic aspects of reported female sterilizations in four health centers of Shizuoka Prefecture, Japan.
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Data Collection↗
A study of induced abortion in Japan and its significance.
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Abortion, Induced↗