TY  - BOOK
TI  - The Walnut Creek Contraceptive Drug Study: A prospective study of the side effects of oral contraceptives. Vol. I. Findings in oral contraceptive users and nonusers at entry intro the study 
PY  - 1974///-1981
CY  - Washington
PB  - U.S. Government Printing Office
KW  - მედიცინა
KW  - ჯანმრთელობის დაცვა
ER  -