You may also wish to search for items by McKenzie, R. and McKenzie.
Only one matching reference was found.
Fletcher, M.T.; McKenzie, R.A.; Blaney, B.J.; Reichmann, K.G., Pyrrolizidine alkaloids in Crotalaria taxa from Northern Australia: risk to grazing livestock, J. Agric. Food Chem., 2009, 57, 1, 311-319, https://doi.org/10.1021/jf8026099 . [all data]