Corrao, G <br/><br/>
Risk of inflammatory bowel disease attributable to smoking, oral contraception and breastfeeding in Italy: a nationwide case-control study. Cooperative Investigators of the Italian Group for the Study of the Colon and the Rectum (GISC).  [electronic resource] 

 -  International journal of epidemiology  Jun 1998 
 - 397-404 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0300-5771 
<br/><br/><label>Standard No.: </label>10.1093/ije/27.3.397  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Aged<br/>Breast Feeding<br/>Case-Control Studies<br/>Causality<br/>Colitis, Ulcerative--epidemiology<br/>Contraceptives, Oral--adverse effects<br/>Crohn Disease--epidemiology<br/>Cross-Sectional Studies<br/>Female<br/>Humans<br/>Italy--epidemiology<br/>Male<br/>Middle Aged<br/>Odds Ratio<br/>Risk<br/>Smoking--adverse effects