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Last edited by Tom Morris
July 20, 2024 | History
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Book Details
First Sentence
"The first edition of this book, published in 1964, was given a distinctive title in order to emphasize that a new technique of determining the fertile and infertile days was being described."
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Feedback?July 20, 2024 | Edited by Tom Morris | Merge works |
December 4, 2010 | Edited by Open Library Bot | Added subjects from MARC records. |
December 3, 2010 | Edited by Open Library Bot | Added subjects from MARC records. |
December 3, 2010 | Edited by Open Library Bot | Added subjects from MARC records. |
December 10, 2009 | Created by WorkBot | add works page |