ISBN 978-0-8213-7237-1. ↑ Ngure, Francis M.; Reid, Brianna M.; Humphrey, Jean H.; Mbuya, Mduduzi N.; Pelto, Gretel; Stoltzfus, Rebecca J. (January 2014). "Water, sanitation, and hygiene (WASH), environmental enteropathy, nutrition, and early child development: making the links".