Neighborhood clinics or health programs which provide medical services in relatively informal settings and styles to, generally, students, transient youth, and minority groups. Care is given at no or nominal charge by predominantly volunteer staffs. The first such clinic is considered to be the Haight-Ashbury Free Clinic, organized in San Francisco in the summer of 1967 by David Smith. There are now estimated to be 175-200 such clinics around the country.