title: [Studies on the qualifying of crude drugs in Japanese pharmacopoeia. 3. Determination of ephedra alkaloids. 1].
mesh_terms: D000470:Alkaloids / Q000032:analysis; D004809:Ephedrine / Q000032:analysis / Q000592:standards*; D007564:Japan; D010602:Pharmacopoeias as Topic
chemical_list: D000470:Alkaloids; D004809:Ephedrine