Headache as the Only Neurological Sign of Cerebral Venous Thrombosis:A Series of 17 Cases
JNNP 76:1084-1087,1043, Cumurciuc,R.,et al, 2005
Spinal Manipulation in the Treatment of Episodic Tension-Type Headache
JAMA 280:1576-1579, Bove,G.&Nilsson,N., 1998