title: Perceptions about behind-the-counter availability of pseudoephedrine.
authors.forename: Chih-Wen
authors.initials: CW
authors.lastname: Shi
authors.forename: Theodore G
authors.initials: TG
authors.lastname: Ganiats
mesh_terms: D000697:Central Nervous System Stimulants / Q000600:supply & distribution*; D004809:Ephedrine / Q000600:supply & distribution*; D004366:Nonprescription Drugs; D010593:Pharmaceutical Services / Q000331:legislation & jurisprudence; D014481:United States
chemical_list: D000697:Central Nervous System Stimulants; D004366:Nonprescription Drugs; D004809:Ephedrine