Browsing 1990 Onderstepoort Journal of Veterinary Research, Volume 57, 1990 by Author "Van Rooyen, J.M."

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A comparison of haemodynamic and vasoconstrictory responses in sheep with a toxic fraction from Pachystigma pygmaeum and with the plant material

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 ...
The toxic effects on cardiac myocytes of tyledoside F, a cumulative neurotoxic cardiac glycoside isolated from Tylecodon grandiflorus

Van Rooyen, J.M.; Van der Walt, J.J.; Verwoerd, Daniel Wynand (Published by the Government Printer, Pretoria., 1990)

To investigate the cardiac cellular effects of tyledoside F, a cumulative neurotoxic bufadienolide and ouabain, a non-cumulative cardenolide, the whole-cell clamp method was used to measure the Na-K pump current after the ...

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