Hart, J. (2015). Heart Disease Death Rates in Low Versus High Land Elevation Counties in the U.S. Dose Response.
Παραπομπή Chicago StyleHart, John. "Heart Disease Death Rates in Low Versus High Land Elevation Counties in the U.S." Dose Response 2015.
Παραπομπή MLAHart, John. "Heart Disease Death Rates in Low Versus High Land Elevation Counties in the U.S." Dose Response 2015.
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