Van Der Walt, J.J.; Van Rooyen, J.M.; Lotter, A.P.; Verwoerd, Daniel Wynand(Published by the Government Printer, Pretoria., 1990)
ST-segment changes in the ECG, which are an indication of acute myocardial ischaemia, are obtained when a small quantity of an extract from dried Pachystigma pygmaeum is injected intravenously in sheep. When the fraction ...
Du Preez, J.L.; Lotter, A.P.; Verwoerd, Daniel Wynand(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1996)
The anthelmintic, levamisole, was determined in sheep plasma by means of ion-pair solid-phase extraction
(SPE) and reverse-phase liquid chromatography. The SPE columns were conditioned with 2 ml
of methanol followed by ...
