Breed, Dorothy; Meyer, Leith Carl Rodney; Steyl, Johan Christian Abraham; Goddard, Amelia; Burroughs, Richard E.J.; Kohn, Tertius Abraham(Oxford University Press, 2019-07)
Dalton, Desire L.; Linden, Birthe; Wimberger, Kirsten; Nupen, Lisa Jane; Tordiffe, Adrian Stephen Wolferstan; Taylor, Peter John; Madisha, M. Thabang; Kotze, Antoinette(Public Library of Science, 2015-03-23)
Myburgh, Jan G.; Kirberger, Robert M.; Steyl, Johan Christian Abraham; Soley, John Thomson; Booyse, Dirk J.; Huchzermeyer, Fritz W.; Lowers, Russell H.; Guillette, Louis J.(OpenJournals Publishing, 2014-05-05)
Morters, Michelle K.; McNabb, Suzanne; Horton, Daniel L.; Fooks, Anthony R.; Schoeman, Johan P.; Whay, Helen R.; Wood, James L.N.; Cleaveland, Sarah(BMJ Publishing Group, 2015-08)