Valve Disease Associated with Ergot Alkaloid Use:Echocardiographic and Pathologic Correlations
Ann Int Med 117:50-52, Redfield,M.M.,et al, 1992
Treatment of Migraine
Lancet 339:1207-1209, Lance,J.W., 1992
Advances in Cluster Headache
Neurologic Clinics, 8:867-8901990., Mathew,N.T., 1990
Pleural and Retroperitoneal Fibrosis from Dihydroergotamine
NEJM 321:1760, Malaquin,F.,et al, 1989
Arterial Complications of Migraine Treatment with Methysergide & Parenteral Ergotamine
BMJ 285:260-261, Joyce,D.A.,et al, 1982