Zhang, Z [Analysis of steroids in crude drugs by capillary gas chromatography]. [electronic resource] - Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials Feb 1998 - 81-3 p. digital Publication Type: English Abstract; Journal Article ISSN: 1001-4454 Subjects--Topical Terms: AnimalsCholestanones--analysisCholestenones--analysisChromatography, Gas--instrumentationDrugs, Chinese Herbal--chemistryMateria Medica--chemistryPowders