One on one. Why can't I find Sudafed and other similar cold medications on drugstore shelves anymore?
D000697:Central Nervous System Stimulants / Q000138:chemical synthesis* / Q000600:supply & distribution*; D004809:Ephedrine / Q000600:supply & distribution*; D005260:Female; D006801:Humans; D007880:Legislation, Drug; D008694:Methamphetamine / Q000138:chemical synthesis*; D014481:United States
D000697:Central Nervous System Stimulants; D008694:Methamphetamine; D004809:Ephedrine