Factors in hospital usage and morbidity in the Auckland area.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005006:Ethnicity; D005190:Family; D006760:Hospitalization; D006801:Humans; D007223:Infant; D007902:Length of Stay; D008875:Middle Aged; D009017:Morbidity; D009520:New Zealand; D012959:Socioeconomic Factors