Three-Month Clinical Intervention Trial with NovaSil Clay in Ghanaians: Reduction of Urinary Aflatoxin M1 Levels, Natalie M. Johnson, Abraham Robinson, N. Sarpong, Evans Afriyie-Gyawu, Henry J. Huebner, Li Xu, Lili Tang, Nii-Ayi Ankrah, David Ofori-Adjei, Jonathan H. Williams, Jia-Sheng Wang, Timothy D. Phillips
Evans Afriyie-Gyawu

Sorption of Arsenic by Ferrihydrite and Magnetite and Prevention of Toxicity in Hydra, J. F. Taylor, N. Sarpong, Abraham Robinson, Evans Afriyie-Gyawu, Henry J. Huebner, Timothy D. Phillips
Evans Afriyie-Gyawu