2. International journal of environmental research and public health. Basel : Molecular Diversity Preservation International, ©2004- ATP503 SW526 SW509 ECON336 SW421 SW470 ATP510 COUN380 PSY209 GEB102 SW290
5. Sexuality research & social policy: journal of NSRC : SR & SP San Francisco, CA : National Sexuality Resource Center, ©2004- ATP508