Does water hardness correlate with cardiovascular deaths in Oklahoma counties?
Correlations Between Water Hardness and Cardiovascular Deaths in Oklahoma Counties Robert D. LindemanM.D., and Joseph R. Assenzo, InstructorM.S. CopyRight https://doi.org/10.2105/AJPH.54.7.1071 Published Online: August 29, 2011
Lindeman et al. (Wed,) studied this question.
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