Wingood Gina M, DiClemente Ralph J, Bernhardt Jay M, Harrington Kathy, Davies Susan L, Robillard Alyssa, Hook Edward W
Rollins School of Public Health, Department of Behavioral Sciences and Health Education, Atlanta, GA 30322, USA.
Am J Public Health. 2003 Mar;93(3):437-9. doi: 10.2105/ajph.93.3.437.