Low income and barriers to use of health services.
D000059:Accidents; D000328:Adult; D001291:Attitude of Health Personnel; D002648:Child; D003153:Community Health Services / Q000706:statistics & numerical data*; D003920:Diabetes Mellitus / Q000401:mortality; D005260:Female; D006801:Humans; D007086:Illegitimacy; D007114:Immunization; D007226:Infant Mortality; D007231:Infant, Newborn; D007251:Influenza, Human / Q000401:mortality; D008297:Male; D008428:Maternal Mortality; D008483:Medical Assistance; D006278:Medicare; D009519:New York City; D011014:Pneumonia / Q000401:mortality; D011203:Poverty; D011247:Pregnancy; D011295:Prenatal Care; D013587:Syphilis / Q000453:epidemiology; D014376:Tuberculosis / Q000401:mortality; D014481:United States