Who needs ambulatory care?
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000553:Ambulatory Care; D054598:Blue Cross Blue Shield Insurance Plans; D002648:Child; D002675:Child, Preschool; D004358:Drug Therapy; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D005006:Ethnicity; D005260:Female; D005382:Financing, Personal; D006801:Humans; D007182:Income; D007348:Insurance, Health; D008297:Male; D008484:Medicaid; D006278:Medicare; D008875:Middle Aged; D009017:Morbidity; D009519:New York City; D010044:Outpatient Clinics, Hospital / Q000706:statistics & numerical data*; D010808:Physical Examination; D012017:Referral and Consultation; D012737:Sex Factors