A versatile viral toolkit for functional discovery in the nervous system. - Pouchelon G; Vergara J; McMahon J; Gorissen BL; Lin JD; Vormstein-Schneider D; Niehaus JL; Burbridge TJ; Wester JC; Sherer M; Fernandez-Otero M; Allaway KC; et al. (Cell reports methods, 2022)