Zinc and Iron Nutrition Status in the Philippines Population and Local Soils oleh Alvin D. Palanog, Alvin D. Palanog, Alvin D. Palanog, Mark Ian C. Calayugan, Mark Ian C. Calayugan, Gwen Iris Descalsota-Empleo, Gwen Iris Descalsota-Empleo, Amery Amparado, Mary Ann Inabangan-Asilo, Emily C. Arocena, Pompe C. Sta. Cruz, Teresita H. Borromeo, Antonio Lalusin, Jose E. Hernandez, Cecilia Acuin, Russell Reinke, B. P. Mallikarjuna Swamy