Romieu, I <br/><br/>
Oral contraceptives and the risk of rheumatoid arthritis: a meta-analysis of a conflicting literature.  [electronic resource] 

 -  British journal of rheumatology  1989 
 - 13-7; discussion 18-23 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0263-7103 
<br/><br/><label>Standard No.: </label>10.1093/rheumatology/xxviii.suppl_1.13  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arthritis, Rheumatoid--epidemiology<br/>Case-Control Studies<br/>Cohort Studies<br/>Confidence Intervals<br/>Contraceptives, Oral, Hormonal--administration & dosage<br/>Data Collection--methods<br/>Europe--epidemiology<br/>Female<br/>Humans<br/>Likelihood Functions<br/>Meta-Analysis as Topic<br/>Odds Ratio<br/>Risk Factors<br/>United States--epidemiology