Cluster Headache
BMJ 344:e2407, Nesbitt,A.D.,et al, 2012
Trigeminal Autonomic Cephalgias Due to Structural Lesions: A Review of 31 Cases
Arch Neurol 64:25-31, Favier,I.,et al, 2007
Paroxysmal Extreme Pain Disorder (Previously Familial Rectal Pain Syndrome)
Neurol 69:586-595, Fertleman,C.R.,et al, 2007