The following figures
were excerpted from:
Hing, E, Middleton, K,. National Hospital Ambulatory Medical Care Survey:
2002 Outpatient Department Summary. Advance Data from Vital and Health
Statistics; No. 345, View/download
PDF1.5 MB. Hyattsville, Maryland: National Center for Health
Statistics. 2004.
SOURCE: CDC/NCHS, 2002 National Hospital Ambulatory Medical
Care Survey.