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Nigra, Anne E., Qixuan Chen, Steven N. Chillrud, Lili Wang, David Harvey, Brian Mailloux, Pam Factor-Litvak, and Ana Navas-Acien. "Inequalities in Public Water Arsenic Concentrations in Counties and Community Water Systems Across the United States, 2006–2011." Environ Health Perspect 2020.

Nigra, Anne E., et al. "Inequalities in Public Water Arsenic Concentrations in Counties and Community Water Systems Across the United States, 2006–2011." Environ Health Perspect 2020.