International Journal of Hygiene and Environmental Health, Volume 220, Issue 5, July 2017, Pages 820–828.
Alexis B. Nienie, Periyasamy Sivalingam, Amandine Laffite, Patience Ngelinkoto, Jean-Paul Otamonga, Alphonse Matand, Crispin K. Mulaji, Emmanuel M. Biey, Pius T. Mpiana, John Poté