[Quantitative studies of neurons of the substantia nigra and basal ganglia in parkinsonism].
D000368:Aged; D001479:Basal Ganglia / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009474:Neurons / Q000473:pathology*; D010300:Parkinson Disease / Q000473:pathology*; D013378:Substantia Nigra / Q000473:pathology*