Spickett, Arthur M.; Bezuidenhout, J. Dürr; Jacobsz, Catherina J.; Steyn, P.J.J.; Bigalke, R.D.; Cameron, Colin McKenzie; Gilchrist, Frances M.C.; Morren, A.J.; Verster, Anna J.M.; Verwoerd, Daniel Wynand; Walker, Jane B.
(Published by The Government Printer, Pretoria, 1981)
An attempt was made to attenuate Cowdria ruminantium by irradiation of the nymphal stage of
its tick host, Amblyomma hebraeum. The irradiated nymphae were homogenized and serial dilutions
of the resultant suspension were ...
