Brouse Corey H, Basch Charles E, Wolf Randi L, Shmukler Celia, Neugut Alfred I, Shea Steven
Dept of Health and Behavior Studies, Teachers College, Columbia University, New York, NY 10027, USA.
Am J Public Health. 2003 Aug;93(8):1268-71. doi: 10.2105/ajph.93.8.1268.