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 / 
Center for Population Research Monograph ; Edited by Savitri Ramcharan. 
 - Washington :  U.S. Government Printing Office,  1974-1981. 
<br/><br/><label>Subjects--Index Terms: </label>მედიცინა ჯანმრთელობის დაცვა