Design and methods for a cluster randomized trial of the Sunless Study: a skin cancer prevention intervention promoting sunless tanning among beach visitors.
Pagoto SL, Schneider KL, Oleski J, Bodenlos JS, Merriam P, Ma Y. Design and methods for a cluster randomized trial of the Sunless Study: a skin cancer prevention intervention promoting sunless tanning among beach visitors. BMC Public Health. 2009 Feb 05; 9:50.