CS1 maint: Explicit use of et al. (link) CS1 maint: Multiple names: authors list (link) ↑ Pan American Health Organization (September 2005): Regional Declaration on the New Orientations of Primary Health Care Retrieved 30 August 2006 ↑ World Health Organization: World Health Report-2006 Retrieved 30 August 2006 ↑ Cathy Schoen, Robin Osborn, Phuong Trang Huynh, Michelle Doty, Jordon Peugh, and Kinga Zapert, C; Osborn, R; Huynh, PT; Doty, M; Peugh, J; Zapert, K (1999-11-02).