%0 Journal Article %B The Lancet %D 1989 %G eng %P 216 %R https://doi.org/10.1016/S0140-6736(89)90397-8 %T Boil the water %U https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(89)90397-8/fulltext %V 334