Adolescents’ Attitudes on Smoking Are Related to Experimentation with Smoking, Daily Smoking and Best Friends’ Smoking in Two Karelias in Finland and in Russia - Aura, Annamari; Laatikainen, Tiina; Isoaho, Hannu; Lazutkina, Galina; Tossavainen, Kerttu (International Journal of Behavioral Medicine, 2016)