1. Ergot and Ergotism;Barger,1931
2. Ergotaminism;Harrison;JACEP,1977
3. General pharmacology of ergot alkaloids;Boissier;Pharmacology,1978
4. Perispheral Vascular Diseases;Allen,1962
5. Sodium nitroprusside treatment of ergotamine-induced peripheral ischemia;Carliner;JAMA,1974