005520000a22001690004500003000900000005001700009110007800026245008800104562003100192264004900223300000900272041000800281650001600289650003100305650001600336610003000352PH-MaWHO20241108112254.0 aWorld Health Organization. Division of Emergency and Humanitarian Action. aCoping with major emergencies : WHO strategy and approaches to humanitarian action. aWHO/EHA/95.1.--Unpublished aGeneva : bWorld Health Organization,c1995. a20p. aeng aRelief work aEmergency medical services aEmergencies2 aWorld Health Organization