Quin, J.I.; Rimington, C.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J.
(Union of South Africa : Dept. of Agriculture, 1933)
"Geeldikkop" is a disease of South African sheep, associated with photosensitisation and icterus, caused by Tribulus terrestris and certain other plants. It is shown that a lethal factor is present in the fresh juice and ...