[Histochemical study on the regressive degeneration of the senile brain, with special reference to the aging of the substantia nigra].
D000328:Adult; D000367:Age Factors; D000368:Aged; D000375:Aging; D006651:Histocytochemistry; D006801:Humans; D008543:Melanins / Q000032:analysis; D008875:Middle Aged; D013378:Substantia Nigra / Q000166:cytology*
D008543:Melanins