Neurotrophin-3 is a target-derived neurotrophic factor for penile erection-inducing neuronsHiltunen, J.O.; Laurikainen, A.; Klinge, E.; Saarma, MartNeuroscience2005 / 1, p. 51-58 https://www.sciencedirect.com/science/article/pii/S0306452205000965