El-dardiry, N <br/><br/>
Effect on prolonged use of oral contraceptive pills on the activity of serum and vaginal ribonuclease.  [electronic resource] 

 -  Bulletin. Kulliyat Tibb al-Iskandariyah  Jun 1980 
 - 359-65 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1110-0834 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology<br/>Blood<br/>Cervix Mucus<br/>Cervix Uteri<br/>Contraception<br/>Contraceptives, Oral<br/>Contraceptives, Oral, Combined<br/>Demography<br/>Disease<br/>Family Planning Services<br/>Genitalia<br/>Genitalia, Female<br/>Infections<br/>Pelvic Inflammatory Disease<br/>Physiology<br/>Population<br/>Population Dynamics<br/>Research<br/>Statistics as Topic<br/>Time<br/>Time Factors<br/>Urogenital System<br/>Uterus