Nonverbal behavior of human addicts: Multimetric analysis - Verbitskaya, Elena V.; Krupitsky, Evgeny M.; Burakov, Andrey; Tsoy-Podosenina, Marina V.; Egorova, Valentina Yu.; Bushara, Natalia; Vekovischeva, Olga Yu. (Addictive Behaviors, 2007)