CSF Met-enkephalin levels in Parkinson's disease.
D000367:Age Factors; D004744:Enkephalin, Methionine / Q000134:cerebrospinal fluid*; D006719:Homovanillic Acid / Q000134:cerebrospinal fluid; D006801:Humans; D010300:Parkinson Disease / Q000134:cerebrospinal fluid*; D012107:Research Design / Q000592:standards
D004744:Enkephalin, Methionine; D006719:Homovanillic Acid