A New Headache during Late Pregnancy: Consider the Nasal Mucosa as a Point" of Reference
JNNP 85:112-113, Rozen, T.D., 2014
Neurological Complications With Acute Sphenoid Sinusitis a Surgical Emergency?
Neurocrit Care 7:169-171, Poulopoulos,M. &Finelli,P.F., 2007
Food Allergy and Headache, Whom to Evaluate and How to Treat
Postgrad Med 83:46-55, Mansfield,L.E., 1985