title: Differential access to preventive services for young children in low-income urban areas.
mesh_terms: D002662:Child Health Services; D002675:Child, Preschool; D006262:Health; D006297:Health Services Accessibility; D006801:Humans; D007223:Infant; D011203:Poverty; D011314:Preventive Health Services; D014481:United States; D014504:Urban Health