title: s-Carboxy-methyl-cysteine syrup in secretory otitis media.
mesh_terms: D000293:Adolescent; D000368:Aged; D002233:Carbocysteine / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D003545:Cysteine / Q000031:analogs & derivatives*; D006801:Humans; D008297:Male; D010033:Otitis Media / Q000188:drug therapy*; D010919:Placebos
chemical_list: D010919:Placebos; D002233:Carbocysteine; D003545:Cysteine