NCHS Dataline

Hamilton BE Ventura SJ Martin JA Sutton PD . Preliminary births for 2004 [cited 2005 Nov 21]. Health E-Stats, National Center for Health Statistics, 2005 Oct 28. Available from: URL: http://www.cdc.gov/nchs/products/pubs/pubd/hestats/prelim_births/prelim_births04.htm

Martin JA Hamilton BE Menacker F Sutton PD Mathews TJ . Preliminary births for 2004, infant and maternal health [cited 2005 Nov 21]. Health E-Stats, National Center for Health Statistics, 2005 Nov 15. Available from: URL: http://www.cdc.gov/nchs/products/pubs/pubd/hestats/prelimbirths04/prelimbirths04health.htm

Anderson JE Chandra A Mosher WD . HIV Testing in the United States, 2002 [cited 2005 Nov 21]. Advance Data No. 363, National Center for Health Statistics, 2005 Nov 8. Available from: URL: http://www.cdc.gov/nchs/data/ad/ad363.pdf

Hing E Cherry DK Woodwell DA . National Ambulatory Medical Care Survey, 2003 Summary [cited 2005 Nov21]. Advance Data No. 365, National Center for Health Statistics, 2005 Oct 5. Available from: URL: http://www.cdc.gov/nchs/data/ad/ad365.pdf