Zhao, D Y [Studies on calculus bovis by FTIR-PAS]. [electronic resource] - Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica Mar 1989 - 34-6, 63 p. digital Publication Type: English Abstract; Journal Article ISSN: 1001-5302 Subjects--Topical Terms: AnimalsBilirubin--analysisCattleCholic Acids--analysisFourier AnalysisMateria MedicaSpectrophotometry, Infrared--methods