MacCormick, R E <br/><br/>
Canadian National Breast Screening Study.  [electronic resource] 

 -  CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne  Jul 1993 
 - 138 p.  digital 
<br/><br/> Publication Type: Letter; Comment 
<br/><br/><label>ISSN: </label>0820-3946 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Breast Neoplasms--diagnostic imaging<br/>Canada<br/>Female<br/>Humans<br/>Mammography<br/>Mass Screening<br/>Middle Aged