Cough, Exertional, and Sexual Headaches:An Analysis of 72 Benign and Symptomatic Cases
Neurol 46:1520-1524, Pascual,J.,et al, 1996
Cough Headache Due to Craniospinal Pressure Dissociation
Arch Neurol 37:226-230, Williams,B., 1980
Headaches Related to Sexual Activity
JNNP 39:1226, Lance,J.W., 1976