Effects of treatment with etizolam 0.5 mg BID on cognitive performance: a 3-week, multicenter, randomized, double-blind, placebo-controlled, two-treatment, three-period, noninferiority crossover study in patients with anxiety disorder. - De Candia MP; Di Sciascio G; Durbano F; Mencacci C; Rubiera M; Aguglia E; Garavini A; Bersani G; Di Sotto A; Placidi G; Cesana BM (Clinical Therapeutics, 2009)