title: Carboxymethylcysteine in the glue ear syndrome.
mesh_terms: D002233:Carbocysteine / Q000627:therapeutic use*; D002648:Child; D002675:Child, Preschool; D003545:Cysteine / Q000031:analogs & derivatives*; D006309:Hearing / Q000187:drug effects; D006801:Humans; D010033:Otitis Media / Q000188:drug therapy*
chemical_list: D002233:Carbocysteine; D003545:Cysteine