1. The Genuine Works of Hippocrates. Sydenham Society;Adams, F.,1848
2. Sexual headaches: case report, review, and treatment with calcium blocker;BE, Akpunonu; J, Ahrens;Headache,1991
3. Hernandez-Lain A & Lopez-Valdez;Calandre, L.;Benign Valsalva’s maneuver-related headache: an MRI study of six cases; Headache,1996
4. Sexual headache;F, Clifford Rose; RG, Petty;British Journal of Sexual Medicine,1982
5. Sequential benign sexual headache and exertional headache;RH, Edis; PL, Silbert;Lancet,1988