Natural birth control for avoiding or achieving pregnancy the dry or wet method (the ovulation or vaginal mucus method)
| 1. autor: | |
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| Kolejni autorzy: | |
| Format: | Książka |
| Język: | angielski |
| Wydane: |
Makati, Metro Manila
Alba Natural Family Planning Organization
c1990,1993.
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| Wydanie: | 3rd ed. |
| Hasła przedmiotowe: |