Ecker, A., and Reimenschneider, P.: Arteriographic demonstration of spasm of the intracranial arteries. J. Neurosurg.,8: 660, 1951.
2.
Pool, J.L.: Cerebral vasospasm. New England J. Med.,259: 1259, 1958 .
3.
Pool, J.L., and Potts, D.G.: Aneurysms and Arteriovenous Anomalies of the Brain, Diagnosis and Treatment . Hoeber Medical Division, Harper and Row, New York, 1965.
4.
Potter, J.M.: Cerebral arterial spasm. World Neurol.,2: 576, 1961.
5.
Allcock, J.M. , and Drake, C.G.: Ruptured intracranial aneurysm—the role of arterial spasm. J. Neurosurg.,22: 21, 1965.
6.
Bland, J.E., Perry, M.O., and Clark, W.K.: Spasm of the cervical internal carotid artery. Am. Surgeon,166: 987, 1967.
7.
Karlsberg, P. , Elliott, H.W., and Adams, J.E.: Effect of various pharmacologic agents on cerebral arteries. Neurology,13: 772, 1963.
8.
Raynor, R.B. , McMurtry, J.G., and Pool, J.L.: Cerebrovascular effects of topically applied serotonin in the cat. Neurology,11: 190, 1961.
9.
Schwartz, P.: Cerebral apoplexy—types, causes, and pathogenesis, Charles C Thomas, Springfield, III., 1961, p. 51.
10.
Shenkin, H.A. , and Novak, P.: The control of cerebral circulation. J. A. M. A.,178: 390, 1961.
