Prophylactic treatment of migraine with angiotensin converting enzyme inhibitor (lisinopril): randomised, placebo controlled, crossover study

Harald Schrader ( harald. schradermedisin. ntnu. no ). professor of neurology, Lars Jacob Stovner. professor of neurology, Grethe Helde. research assistant, Trond Sand. professor of clinical neurophysiology, Gunnar Bovim. professor of neurology Norwegian University of Science and Technology, Department of Neurology, 7006 Trondheim, Norway Correspondence to: H Schrader

Accepted 9 October 2000