title: [Studies on the analysis of drugs by use of radioisotopes. 8. Species differences in 1-ephedrine metabolism].
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002854:Chromatography, Paper; D004809:Ephedrine / Q000378:metabolism*; D006168:Guinea Pigs; D007536:Isomerism; D051379:Mice; D051381:Rats; D013045:Species Specificity
chemical_list: D002247:Carbon Isotopes; D004809:Ephedrine