Authors: Chen, EY Kallwitz, E Leff, SE Cochran, EJ Mufson, EJ Kordower, JH Mandel, RJ

Citation: Ey. Chen et al., Age-related decreases in GTP-cyclohydrolase-I immunoreactive neurons in the monkey and human substantia nigra, J COMP NEUR, 426(4), 2000, pp. 534-548