RT Journal Article SR Electronic T1 Comparing the effects of propranolol and ergotamine-c in prophylaxis treatment of migraine in Iranian patients JF Neurosciences Journal JO Neurosciences (Riyadh) FD Prince Sultan Military Medical City SP 107 OP 107 VO 10 IS 1 A1 Nazem, Habibololah YR 2005 UL http://nsj.org.sa/content/10/1/107.abstract AB