1. Cough headache;Symonds, C.P.;Brain,1956
2. Benign exertional headache;Rooke, E.D.;Med Clin North Am,1968
3. Headaches related to sexual activity;Lance, J.W.;J Neurol Neurosurg Psychiatrv,1976
4. The benign and malignant forms of orgasmic cephalgia;Lundberg, P.O.; Osterman, P.O.;Headache,1974
5. Human sexual response;Masters, W.H.; Johnson, V.E.,1966