title: [Clinical trial of a new mucolytic, s-carboxymethylcysteine].
mesh_terms: D000284:Administration, Oral; D000293:Adolescent; D002264:Carboxylic Acids / Q000627:therapeutic use; D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D003545:Cysteine / Q000627:therapeutic use*; D005100:Expectorants / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D012140:Respiratory Tract Diseases / Q000188:drug therapy*
chemical_list: D002264:Carboxylic Acids; D005100:Expectorants; D003545:Cysteine
vernacular_title: Ensayo clínico de un nuevo mucolítico, la s-carboximetilcisteína, en pediatría.