007170000a22001810004500003000900000005001700009110012300026245016800149020001800317264004900335490004000384300000900424041000800433650002200441650002300463650001900486700003000505PH-MaWHO20241108112339.0 aWHO Study Group on Food-Borne Disease: Methods of Sampling and examination in Surveillance Programmes (1973 : Geneva). aFood-borne disease : methods of sampling and examination in surveillance programmes : report of a WHO study group [meeting held in Geneva from 17 to 23 July 1973]. a92-4-120543-1 aGeneva : bWorld Health Organization,c1974. a(WHO technical report series ; 543) a50p. aeng aFood microbiology aFood contamination aFood poisoning aWorld Health Organization