dorsal root ganglia and the adjacent spinal nerves contained 2.8 +/- 0.3 and 1.7 +/- 0.4 ng ngf/g wet wt. , respectively , whereas no ngf was detectable in dorsal roots and spinal cord ( less than 0.05 ng ngf/g wet wt . ) .
C0037941
spinal nerves
C0205955
dorsal roots