RT Journal Article SR Electronic T1 Environmental Health in Emergencies and Disasters: A Practical Guide JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 610 OP 610 DO 10.1136/emj.2003.011981 VO 22 IS 8 A1 Ryan, J YR 2005 UL http://emj.bmj.com/content/22/8/610.1.abstract AB