[Interregional traveling seminar on helminth infections. World Health Organization].
D002079:Butter / Q000032:analysis*; D002784:Cholesterol / Q000032:analysis*; D002845:Chromatography; D005223:Fats / Q000032:analysis*; D008383:Margarine / Q000032:analysis*; D013256:Steroids / Q000032:analysis*; D013261:Sterols / Q000032:analysis*; D014807:Vitamin D / Q000032:analysis*
D005223:Fats; D013256:Steroids; D013261:Sterols; D014807:Vitamin D; D002079:Butter; D008383:Margarine; D002784:Cholesterol
Investigación de grasas estrañas en la mantequilla por análisis cromatográfico de esteroides.