Ylitalo, N <br/><br/>
Smoking and oral contraceptives as risk factors for cervical carcinoma in situ.  [electronic resource] 

 -  International journal of cancer  May 1999 
 - 357-65 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0020-7136 
<br/><br/><label>Standard No.: </label>10.1002/(sici)1097-0215(19990505)81:3<357::aid-ijc8>3.0.co;2-1  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Carcinoma in Situ--etiology<br/>Case-Control Studies<br/>Contraceptives, Oral--adverse effects<br/>Female<br/>Humans<br/>Middle Aged<br/>Papillomaviridae--classification<br/>Reproduction<br/>Risk Factors<br/>Smoking--adverse effects<br/>Uterine Cervical Neoplasms--etiology