Bonnie Halpern-Felsher, PhD

University of California, San Francisco
Division of Adolescent Medicine, Department of Pediatrics
3333 California Street, Suite 245, Box 0503
San Francisco, CA
USA 94118
bonnie.halpernfelsher@ucsf.edu

4162.0 Taking a youth development approach to school-based tobacco prevention: Results from focus groups with youth, parents and educators