Severe Headaches, When to Worry, What To Do
Postgrad Med 83:164-180, Drexler,E.D., 1990
Clinicopath Conf
Cerebral Amyloid Angiopathy, with Multiple Cerebral Hemorrhages, Case Record 10-1988, NEJM 318:623-6, 1, 1, 1988
When the Headache is Ominous
Emerg Med Nov 1973, pp 87., Joynt,R., 1973