Stolker, A A <br/><br/>
Supercritical fluid extraction of methyltestosterone, nortestosterone and testosterone at low ppb levels from fortified bovine urine.  [electronic resource] 

 -  Journal of chromatography. B, Biomedical sciences and applications  Apr 1999 
 - 121-31 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1387-2273 
<br/><br/><label>Standard No.: </label>10.1016/s0378-4347(99)00039-0  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Cattle<br/>Chromatography--methods<br/>Chromatography, High Pressure Liquid<br/>Gas Chromatography-Mass Spectrometry<br/>Methyltestosterone--urine<br/>Nandrolone--urine<br/>Testosterone--urine