Etifoxine impairs neither alertness nor cognitive functions of the elderly: A randomized, double-blind, placebo-controlled crossover study. - Deplanque, D.; Machuron, F.; Waucquier, N.; Jozefowicz, E.; Duhem, S.; Somers, S.; Colin, O.; Duhamel, A.; Bordet, R. (European Neuropsychopharmacology, 2018)