Studies related to the origin of C18 neutral steroids isolated from extracts of urine from the male horse: the identification of urinary 19-oic acids and their decarboxylation to produce estr-4-en-17beta-ol-3-one (19-nortestosterone) and estr-4-ene-3,17-dione (19-norandrost-4-ene-3,17-dione) during sample processing.
Source:http://linkedlifedata.com/resource/pubmed/id/17386712
Anal. Chim. Acta
2007
Mar
14
586
1-2
196-207
