The use of group dynamics strategies to enhance cohesion in a lifestyle intervention program for obese children. - Martin LJ; Burke SM; Shapiro S; Carron AV; Irwin JD; Petrella R; Prapavessis H; Shoemaker K; Martin, Luc J; Burke, Shauna M; Shapiro, Sheree; Carron, Albert V; et al. (BMC Public Health, 2009)