title: Analyses of doping products used by cyclists in Belgium in 1970.
mesh_terms: D000661:Amphetamine / Q000652:urine; D001530:Belgium; D002110:Caffeine / Q000652:urine; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D004809:Ephedrine / Q000652:urine; D006801:Humans; D009638:Norepinephrine / Q000652:urine; D013178:Sports Medicine; D013566:Sympathomimetics / Q000652:urine*
chemical_list: D013566:Sympathomimetics; D002110:Caffeine; D000661:Amphetamine; D004809:Ephedrine; D009638:Norepinephrine