Posttraumatic Headache
Semin Neurol 14:40-45, Packard,R.C., 1994
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
Experience in the Diagnosis of Headaches That Start in Elderly People
JNNP 57:1255-1257, Pascual,J.&Berciano,J., 1994