The effectiveness of gain-versus loss-framed health messages in improving oral health in Iranian secondary schools: a cluster-randomized controlled trial

Annals of Behavioral Medicine (2014) - Comment
pubmed: 24163187 doi: 10.1007/s12160-013-9543-1 issn: 0883-6612 issn: 1532-4796

Amir H. Pakpour, Mir Saeed Yekaninejad, Falko F. Sniehotta, John A. Updegraff, Stephan U. Dombrowski