004830000a22001330004500003000900000005001700009100003900026245012700065264007000192490003000262300001000292041000800302650003900310PH-MaWHO20241108112153.0  aPhillips M A, Feachman R, Mills A.  aOptions  for diarrhoea control : the cost and cost-effectiveness of selected interventions for the prevention of diarrhea.  aLondon : bLondon School of Hygiene and Tropical medicine,c1987.  a(EPC publication no. 18).  a145p.  aeng  aDiarrhea  Prevention and control /