Evaluation of Sedative Effects of Single and Repeated Doses of 50 mg and 150 mg Tolperisone Hydrochloride. Results of a Prospective, Randomized, Double-Blind, Placebo-Controlled Trial - Dulin, J; Kovács, L; Ramm, S; Horvath, F; Ebeling, L; Kohnen, R (Pharmacopsychiatry, 1998)