Environmental risk factors and exposure to the zoonotic malaria parasite Plasmodium knowlesi across northern Sabah, Malaysia: a population-based cross-sectional survey oleh Kimberly M Fornace, PhD, Paddy M Brock, PhD, Tommy R Abidin, MSc, Lynn Grignard, PhD, Lou S Herman, MSc, Tock H Chua, ProfPhD, Sylvia Daim, PhD, Timothy William, FRCP, Catriona L E B Patterson, MSc, Tom Hall, BSc, Matthew J Grigg, PhD, Nicholas M Anstey, ProfPhD, Kevin K A Tetteh, PhD, Jonathan Cox, PhD, Chris J Drakeley, PhD