Monosynaptic projections from the lateral periaqueductal gray to the nucleus retroambiguus in the rhesus monkey: implications for vocalization and reproductive behavior.
Vanderhorst, V G, E Terasawa, H J Ralston, and G Holstege. 2000. “Monosynaptic Projections from the Lateral Periaqueductal Gray to the Nucleus Retroambiguus in the Rhesus Monkey: Implications for Vocalization and Reproductive Behavior.”. The Journal of Comparative Neurology 424 (2): 251-68.