Wolmarans, C.T.; De Kock, K.N.; Van der Walt, M.P.K.; Verwoerd, Daniel Wynand(Published by the Government Printer, Pretoria., 1990)
Certain aspects of the immune response of a male experimentally infected with 3-day old cercariae of a pure field strain of Schistosoma mattheei were investigated. Among others, aspects such as the reaction of eosinophils, ...
De Kock, K.N.; Joubert, P.H.; Pretorius, S.J.; Verwoerd, Daniel Wynand(Published by the Government Printer, Pretoria., 1989)
The present geographical distribution of Lymnaea columella, as recorded in the National Freshwater Snail Collection, is described and discussed. It appears that L. columella is the most successful colonist of all the ...
