Cluster Headache
BMJ 344:e2407, Nesbitt,A.D.,et al, 2012
Episodic Paroxysmal Hemicrania:Two New Cases and A Literature Review
Neurol 42:964-966, Newman,L.C.,et al, 1992
Non-Migranous Headaches, Classification and Management
BMJ 299:70-72, Clouch,C., 1989
Graves'Disease Presenting with Bilateral Acute Painful Proptosis, Ptosis, Ophthalmoplegia, & Visual Loss
Lancet 2:431-433, Leonard,T.J.K.,et al, 1984