008480000a22002770004500003000900000005001700009020001500026022001400041100001300055700001500068700001300083700001600096710007800112264007700190490006700267700001700334700002000351700001500371245005600386300001000442041000800452650002900460650004100489650002800530650001200558PH-MaWHO20241108112623.0 a929021189X a1020-041X1 aFrei, J. aRiesen, W. aLang, H. aHill, P. G. aWorld Health Organization. Regional Office for the Eastern Mediterranean. aAlexandria : bWHO Regional Office for the Eastern Mediterranean,c1995. aWHO regional publications, Eastern Mediterranean series ; 11). aHeuck, C. C. aEl-Nageh, M. M. aPoller, L. aProduction of basic diagnostic laboratory reagents. a280p. aeng aReagent kits, Diagnostic aLaboratory techniques and procedures aIndicators and reagents aManuals