Tension-Type Headache
JAMA 306:450, Pluta, R.M.,et al, 2011
Headache and Pregnancy
The Neurologist 14:108-119, Menon,R. &Bushnell,C.D., 2008
Comparison of First Degree Relatives and Spouses of Poeple with Chronic Tension Headache
BMJ 314:1092-1093, Ostergaard,S.,et al, 1997
Posttraumatic Headache
Semin Neurol 14:40-45, Packard,R.C., 1994