title: [Drugs active on mucus in the primary treatment of chronic bronchitis. Controlled study of the activity of letosteine].
mesh_terms: D001991:Bronchitis / Q000188:drug therapy* / Q000378:metabolism; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005100:Expectorants / Q000627:therapeutic use*; D006801:Humans; D009093:Mucus / Q000378:metabolism*; D013844:Thiazoles / Q000627:therapeutic use*; D053778:Thiazolidines
chemical_list: D005100:Expectorants; D013844:Thiazoles; D053778:Thiazolidines; C018578:letosteine
vernacular_title: I farmaci attivi sul muco nel trattamento di fondo della bronchite cronica. Studio controllato sull'attività della letosteina.