Sandler, R S <br/><br/>
Use of vitamins, minerals, and nutritional supplements by participants in a chemoprevention trial.  [electronic resource] 

 -  Cancer  Mar 2001 
 - 1040-5 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0008-543X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Aged<br/>Chemoprevention<br/>Colorectal Neoplasms--prevention & control<br/>Confounding Factors, Epidemiologic<br/>Dietary Supplements<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Nutritional Status<br/>Randomized Controlled Trials as Topic<br/>Vitamins--therapeutic use