Use-Effectiveness and Analysis of Satisfaction Levels with the Billings Ovulation Method: Two-Year Pilot Study**Performed as a volunteer project by the authors; there was no commitment or funding on the part of St Louis University.††Presented in part at the Eighth World Congress of Obstetrics and Gynecology, October 19, 1976, Mexico City, Mexico.
1977 ◽
Vol 28
(10)
◽
pp. 1038-1043
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Keyword(s):
Keyword(s):
1972 ◽
Vol 9
(2)
◽
pp. 120-121
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