title: Expectorant promising for treating infant respiratory distress syndrome.
mesh_terms: D000551:Ambroxol / Q000627:therapeutic use; D001623:Betamethasone / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D005260:Female; D005333:Fetus / Q000187:drug effects*; D006801:Humans; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D012127:Respiratory Distress Syndrome, Newborn / Q000188:drug therapy / Q000517:prevention & control*
chemical_list: D000551:Ambroxol; D001623:Betamethasone