title: A retrospective analysis of the Haight-Ashbury free dental clinic.
mesh_terms: D001741:Black or African American; D002140:California; D003153:Community Health Services; D003365:Costs and Cost Analysis; D003740:Dental Clinics; D006556:Heroin Dependence; D006801:Humans; D008489:Medical Indigency; D012189:Retrospective Studies; D012924:Social Conditions; D012925:Social Conformity; D019966:Substance-Related Disorders