Defining aggregations of the poor for community health center location.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002140:California; D002648:Child; D002675:Child, Preschool; D003153:Community Health Services; D003710:Demography; D006275:Health Facility Planning; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008489:Medical Indigency; D008875:Middle Aged; D011156:Population Density; D011203:Poverty; D012959:Socioeconomic Factors; D013223:Statistics as Topic; D014505:Urban Population