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PERIODIC CONTINENCE IN MARRIAGE. According to the principles of Knaus, Ogino and Smulders. Krempel, A.

PERIODIC CONTINENCE IN MARRIAGE. According to the principles of Knaus, Ogino and Smulders. Krempel, A.

Editorial Herder
Edition Barcelona, ​​1957
Binding soft cover
Condition Good
pages 127
Ref. 6D2000009
Includes calculation table for 30 periods. Sexuality. Natural methods of birth control. Natural contraceptive methods.
€5,00 EUR
€5,00 EUR
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