Weightlifters Headache
Headache 23:193-194, Paulson,G.W., 1983
Spontaneous Spinal Cerebrospinal Fluid Leaks and Intracranial Hypotension
JAMA 295:2286-2296, Schievink,W.I., 2006
Benign Exertional Headache
Lance, J. W. In Mechanism and Management of Headache, 5th Ed, Butterworth-Heinemann, Boston, p. 193, , 1993