PT - JOURNAL ARTICLE AU - Choi, B C K AU - Pak, A W P AU - Ottoson, J M TI - Understanding the basic concepts of public health surveillance AID - 10.1136/jech.56.6.402 DP - 2002 Jun 01 TA - Journal of Epidemiology and Community Health PG - 402--402 VI - 56 IP - 6 4099 - http://jech.bmj.com/content/56/6/402.1.short 4100 - http://jech.bmj.com/content/56/6/402.1.full SO - J Epidemiol Community Health2002 Jun 01; 56