Jansen, B.C.; Knoetze, P.C.; Visser, Fleur; South Africa. Dept. of Agricultural Technical Services; Tustin, R.C.; De Lange, M.; Reinecke, R.K.; Walker, Jane B.; De Kock, V.E.
(Pretoria : Government Printer, 1970)
Large quantities of toxoid given to rabbits per os did not elicit a primary immune response. Toxin absorbed through the intestinal wall of guinea-pigs and toxoided produced an anamnestic response on injection into ...