5L. N . Balaji. GIS in health [ER/O1]. www. gisdevelopment. net/application/health/overview.
6Paul White. Public Health Geographical data Analysis- Basic level Workbook [ M ] . Sheffield : Public Health GIS unit, 2000, 4-70.
7Patrick A. Wall , Owen J . Devine . Interactive analysis of the spatial distribution of disease using a geographic information system [J] . Geographical Systems, 2000, (2) .
8Kyusuk Chung, Duck-Hye Yang, Ralph Bell. Health and GIS: Toward Spatial Statistical Analyses [ J ] . Journal of Medical Systems, 2004, 28(4) .
9Stephen A. Matthews. GIS and Public Health [Z] . GIS Resource Document, www. pop. psu. edu, 2002-12-15.