TY - BOOK ED - Mahawitthayalai Mahidon TI - Gis disease surveillance system in the mekong region PY - 2006/// CY - [Bangkok, Thailand PB - Mahodol University KW - Public health KW - Geographic information systems KW - Mekong River Region KW - Southeast Asia N1 - Prepared by Faculty of Tropical Medicine, Mahidol University; Title from CD-ROM; Includes bibliographical references ER -