Li, H <br/><br/>
Tubal ligation and risk of cervical cancer. The World Health Organiztion Collaborative Study of Neoplasia and Steroid Contraceptives.  [electronic resource] 

 -  Contraception  May 2000 
 - 323-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0010-7824 
<br/><br/><label>Standard No.: </label>10.1016/s0010-7824(00)00111-6  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Carcinoma, Squamous Cell--etiology<br/>Case-Control Studies<br/>Contraceptives, Oral--adverse effects<br/>Female<br/>Humans<br/>Papanicolaou Test<br/>Pregnancy<br/>Risk Factors<br/>Sterilization, Tubal--adverse effects<br/>Time Factors<br/>Uterine Cervical Neoplasms--etiology<br/>Vaginal Smears<br/>World Health Organization