Quin, J.I.; Union of South Africa. Dept. of Agriculture; Du Toit, P.J.
(Union of South Africa : Dept. of Agriculture, 1933)
Dried pulverized Hypericum ethiopicum drenched to sheep caused intense photosensitization. From the dried plant a deep red fluorescent pigment was obtained, which caused marked photosensitization in sheep. No icterus ...