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Clinical Trial
. 1970 Aug 1;227(5257):502-3.
doi: 10.1038/227502a0.

Effect of contraceptive pills on the distribution of sexual activity in the menstrual cycle

J R Udry, N M Morris
Clinical Trial

Effect of contraceptive pills on the distribution of sexual activity in the menstrual cycle

J R Udry et al. Nature. .
No abstract available

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