Simultaneous visualization of extrinsic and intrinsic axon collaterals in Golgi-like detail for mouse corticothalamic and corticocortical cells: a double viral infection method - Watakabe, Akiya; Takaji, Masafumi; Kato, Shigeki; Kobayashi, Kazuto; Mizukami, Hiroaki; Ozawa, Keiya; Ohsawa, Sonoko; Matsui, Ryosuke; Watanabe, Dai; Yamamori, Tetsuo (Frontiers in Neural Circuits, 2014)