Castellanos, M E <br/><br/>
[Validity of the declared tobacco consumption in pregnancy].  [electronic resource] 

 -  Atencion primaria  Nov 2000 
 - 629-32 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0212-6567 
<br/><br/><label>Standard No.: </label>10.1016/s0212-6567(00)78736-1  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biomarkers--urine<br/>Cotinine--urine<br/>Female<br/>Humans<br/>Pregnancy--urine<br/>Reproducibility of Results<br/>Smoking--epidemiology