The Potential Impact of Geophagia on the Bioavailability of Iron, Zinc and Calcium in Human Nutrition

P.S. HoodaEmail authorC.J.K. HenryT.A. SeyoumL.D.M. ArmstrongM.B. Fowler
Environmental Geochemistry and Health
December 2002, Volume 24, Issue 4, pp 305–319

https://link.springer.com/article/10.1023/A:1020542810334