Burke Donald S, Russell Joanne, Cerqueira Maria Teresa, Conley Kathleen M, Eggleston Molly M, Koo Denise, Lewis Allison L, Lee Amy F, Pearson Clarence E, Pestronk Robert M, Schwartz Benjamin, Smith William A
Graduate School of Public Health, University of Pittsburgh, PA, USA.
Health Educ Behav. 2009 Jun;36(3):483-6. doi: 10.1177/1090198109333802. Epub 2009 May 15.