title: Melatonin in serum and cerebrospinal fluid.
mesh_terms: D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007938:Leukemia / Q000097:blood / Q000134:cerebrospinal fluid; D008297:Male; D008550:Melatonin / Q000097:blood* / Q000134:cerebrospinal fluid*
chemical_list: D008550:Melatonin