005630000a22001330004500003000900000005001700009110012600026245014300152562003100295264004900326300000900375041000800384650003700392PH-MaWHO20241108112606.0 aWorld Health Organization. Diarrhoeal Disease Control Programme. Technical Advisory Group Meeting (12th : 1991 : Geneva). aReport of the twelfth meeting of the Technical Advisory Group [of the WHO Diarrhoeal Disease Control Programme], Geneva, 18-22 March 1991. aWHO/CDD/91.35.-Unpublished aGeneva : bWorld Health Organization,c1991. a23p. aeng aDiarrheaxPrevention and control