Systemic Delivery of a Brain-Penetrant TrkB Antagonist Reduces Cocaine Self-Administration and Normalizes TrkB Signaling in the Nucleus Accumbens and Prefrontal Cortex. - Verheij MM; Vendruscolo LF; Caffino L; Giannotti G; Cazorla M; Fumagalli F; Riva MA; Homberg JR; Koob GF; Contet C (The Journal of neuroscience : the official journal of the Society for Neuroscience, 2016)