Estimation of family planning assistance available to low-income patients through hospital obstetric and gynecology services.
D003153:Community Health Services; D005193:Family Planning Services; D005260:Female; D006176:Gynecology; D006801:Humans; D009774:Obstetrics; D010044:Outpatient Clinics, Hospital; D012494:Sampling Studies; D012924:Social Conditions; D014481:United States