title: Comparative costs of tiotropium and ipratropium.
authors.forename: Lorne E
authors.initials: LE
authors.lastname: Basskin
mesh_terms: D001993:Bronchodilator Agents / Q000191:economics*; D016527:Drug Costs; D006801:Humans; D009241:Ipratropium / Q000191:economics*; D010607:Pharmacy Service, Hospital / Q000458:organization & administration; D012602:Scopolamine Derivatives / Q000191:economics*; D000069447:Tiotropium Bromide
chemical_list: D001993:Bronchodilator Agents; D012602:Scopolamine Derivatives; D009241:Ipratropium; D000069447:Tiotropium Bromide