Status Assessment: City and County of San Francisco (PDF). SanFranciscoDepartmentofPublicHealth. [5 November 2012]. (原始内容 (PDF)存档于2014-08-08). U.S. Transportation
director ofhealth and education for the SanFrancisco Medical Society. In his letter to Trish Bascom, director ofhealth programs for the SanFrancisco Unified