Anderson, Ronald; Steel, Helen C.; Cockeran, Riana; Smith, Anthony M.; Von Gottberg, Anne; De Gouveia, L.; Brink, Andries J.; Klugman, Keith P.; Mitchell, Timothy J.; Feldman, Charles(Oxford University Press, 2007-02)
Kiulia, Nicholas M.; Mwenda, Jason M.; Nyachieo, Atunga; Nyaundi, Julia K.; Steele, Andrew Duncan; Taylor, Maureen B.(Oxford University Press, 2007-06)