The rhythm of sterility and fertility in women : a discussion of the physiological, practical, and ethical aspects of the discoveries of Dr. K. Ogino (Japan) and Prof. H. Knaus (Germany) regarding the periods when conception is impossible and when possible /
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| Format: | Book |
| Language: | English |
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Chicago :
Latz Foundation,
[1939]
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| Edition: | 6th rev. ed. |
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| Physical Description: | vii, 151 pages : illustrations |
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