title: Cerebrospinal fluid concentration of cyclic adenosine-3',5'-monophosphate and pneumoencephalography.
mesh_terms: D000293:Adolescent; D000328:Adult; D001927:Brain Diseases / Q000134:cerebrospinal fluid; D000242:Cyclic AMP / Q000134:cerebrospinal fluid*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009422:Nervous System Diseases / Q000134:cerebrospinal fluid; D011011:Pneumoencephalography; D011863:Radioimmunoassay
chemical_list: D000242:Cyclic AMP