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. 2014 Mar 21;122(7):651–660. doi: 10.1289/ehp.1306912

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Random-effects meta-analysis of GII and water outage in continuous systems. The measured exposure was consumption of centrally distributed tap water; participants experienced a breach of hydraulic pipe integrity through water outages in otherwise continuously operating distribution systems. RR, relative risk. Weights are from random-effects analysis. The pooled RR (95% CI) for these studies is 3.26 (1.48, 7.19).