Motivational enhancement therapy for adolescent marijuana users : a preliminary randomized controlled trial

Promoting healthy beginnings: a randomized controlled trial of a preventive intervention to preserve marital quality during the transition to parenthood.

Youth-nominated support team for suicidal adolescent (Version 1) : A randomized controlled trial

Cognitive therapy versus exposure and applied relaxation in social phobia : A randomized controlled trial

Randomized trial of treatment for children with sexual behavior problems : ten-year follow up