Leurs, L. J., Schouten, L. J., Mons, M. N., Goldbohm, R. A., & van den Brandt, P. A. (2010). Relationship between Tap Water Hardness, Magnesium, and Calcium Concentration and Mortality due to Ischemic Heart Disease or Stroke in the Netherlands. National Institute of Environmental Health Sciences.

Leurs, Lina J., Leo J. Schouten, Margreet N. Mons, R. Alexandra Goldbohm, a Piet A. van den Brandt. Relationship between Tap Water Hardness, Magnesium, and Calcium Concentration and Mortality Due to Ischemic Heart Disease or Stroke in the Netherlands. National Institute of Environmental Health Sciences, 2010.

Leurs, Lina J., et al. Relationship between Tap Water Hardness, Magnesium, and Calcium Concentration and Mortality Due to Ischemic Heart Disease or Stroke in the Netherlands. National Institute of Environmental Health Sciences, 2010.