Sharpe, C <br/><br/>
Adjustment for age at first birth in etiologic studies of breast cancer involving exposures that may affect age at first birth.  [electronic resource] 

 -  Epidemiology (Cambridge, Mass.)  Jan 1999 
 - 95 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>1044-3983 
<br/><br/><label>Standard No.: </label>10.1097/00001648-199901000-00019  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Breast Neoplasms--epidemiology<br/>Female<br/>Humans<br/>Maternal Age