Haddow, J E <br/><br/>
Replacing creatinine measurements with specific gravity values to adjust urine cotinine concentrations.  [electronic resource] 

 -  Clinical chemistry  Apr 1994 
 - 562-4 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0009-9147 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Asthma--urine<br/>Child<br/>Cotinine--urine<br/>Creatinine--urine<br/>Humans<br/>Specific Gravity<br/>Tobacco Smoke Pollution