RT Journal Article
SR Electronic
T1 Verapamil reduced attack frequency and the use of abortive agents in episodic cluster headache
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP 178
OP 178
DO 10.1136/ebm.5.6.178
VO 5
IS 6
YR 2000
UL http://ebm.bmj.com/content/5/6/178.abstract
AB