Berendt A R, Ferguson D J, Gardner J, Turner G, Rowe A, McCormick C, Roberts D, Craig A, Pinches R, Elford B C
Institute of Molecular Medicine, John Radcliffe Hospital, Headington, Oxford, UK.
Parasitology. 1994;108 Suppl:S19-28. doi: 10.1017/s0031182000075685.