title: India revokes patent for COPD drug.
authors: Dinesh C
authors: DC
authors: Sharma
mesh_terms: D001993:Bronchodilator Agents; D002626:Chemistry, Pharmaceutical; D006801:Humans; D007194:India; D010330:Patents as Topic / Q000331:legislation & jurisprudence*; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy*; D000069447:Tiotropium Bromide
chemical_list: D001993:Bronchodilator Agents; D000069447:Tiotropium Bromide