Authors: Nicholas Freudenberg; Jessie Daniels; Martha Crum; Tiffany Perkins; Beth E Richie Journal: Am J Public Health Date: 2005-10 Impact factor: 9.308
Authors: Haijun Xiao; Christopher D Hoffman; Guillermo Brito; Cindy L Laton; Sallie Beth Johnson Journal: Am J Public Health Date: 2008-01-30 Impact factor: 9.308