[Alder buckthorn poisoning in horses].Tijdschr Diergeneeskd. 1987 Mar 15; 112(6):340-1.TD
Seven cases of poisoning in horses are reported. This was caused by ingestion of branches of the alder buckthorn (Frangula alnus (mill.) syn. Rhamnus frangula L.), which had been thrown on the pasture. The biological characteristics and the toxic action of the plant are discussed more fully.