title: Intraventricular morphine.
mesh_terms: D006258:Head and Neck Neoplasms / Q000628:therapy*; D006801:Humans; D007276:Injections, Intraventricular; D009020:Morphine / Q000008:administration & dosage*; D010146:Pain / Q000188:drug therapy*
chemical_list: D009020:Morphine