Touchstone, J C <br/><br/>
A gas chromatographic procedure for determining estriol in pregnancy urine: evaluation in two different laboratories.  [electronic resource] 

 -  Clinical chemistry  Feb 1971 
 - 119-21 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0009-9147 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chromatography, Gas<br/>Estriol--urine<br/>Female<br/>Humans<br/>Methods<br/>Pregnancy