TY - BOOK ED - World Health Organization. TI - Policy quidance on water-related disease surveillance SN - 978-92-890-0236-3 PY - 2011/// CY - Copenhagen PB - World Health Organization KW - Environmental monitoring KW - methods KW - Epidemiological surveillance KW - Water pollution KW - Water microbiology KW - Disease transmission KW - Health Policy KW - Guidelines ER -