title: Presence of a non-peptide morphine-like compound in human cerebrospinal fluid.
mesh_terms: D000293:Adolescent; D000328:Adult; D002552:Cerebral Ventricles; D002555:Cerebrospinal Fluid / Q000032:analysis*; D003429:Cross Reactions; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009020:Morphine / Q000276:immunology; D011863:Radioimmunoassay; D013129:Spinal Puncture
chemical_list: D009020:Morphine