Cranendonk, RJ, CJ Kodde, D Chipeta, EE Zijlstra, and JF Sluiters. 2004. “<i>Cryptosporidium parvum</i> and <i>Isopora belli</i> Infections Among Patients With and Without Diarrhoea”. East African Medical Journal 80 (8):398-401. https://doi.org/10.4314/eamj.v80i8.8729.