GRIFFITHS, GARETH D, BROWN, ALAN P, HOOI, DOREEN S W, PEARCE, PETER C, HORNBY, REBECCA J, SCOTT, LEAH and PRITCHARD, DAVID I, 2008. Development of a model of hookworm infection exhibiting salient characteristics of human infection. The American Journal of Tropical Medicine and Hygiene. 78(6), 936-45