Clinical trials of the ovulation method.
Benagiano
G
G
First Institute of Obstetrics and Gynecology, University La Sapienza, Rome, Italy.
Bastianelli
C
C
D005193:Family Planning Services / Q000379:methods*; D005260:Female; D006801:Humans; D010060:Ovulation / Q000502:physiology*; D011247:Pregnancy; D011256:Pregnancy Outcome; D011275:Pregnancy, Unwanted