Schönborn, I <br/><br/>
Oral contraceptive use and the prognosis of breast cancer.  [electronic resource] 

 -  Breast cancer research and treatment  1994 
 - 283-92 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0167-6806 
<br/><br/><label>Standard No.: </label>10.1007/BF00665969  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Age Factors<br/>Breast Neoplasms--mortality<br/>Contraceptives, Oral<br/>Female<br/>Humans<br/>Immunohistochemistry<br/>Lymphatic Metastasis<br/>Middle Aged<br/>Postmenopause<br/>Premenopause<br/>Prognosis<br/>Proportional Hazards Models<br/>Receptors, Estrogen--analysis<br/>Receptors, Progesterone--analysis<br/>Regression Analysis<br/>Retrospective Studies<br/>Survival Rate<br/>Time Factors