The following letter is in response to Dr. Nelson et al.Robinson, R. Kent M.D.Rlcbey, E. T. M.D.Kase, Carlos S. M.D.Mohr, J. P. M.D.Author informationDepartment of Neurology Boston University School of Medicine Boston, Massachusetts 02118Stroke 17(4):p 777-779, July-August 1986.Copyright © 1986 American Heart Association, Inc.