An Unusual Headache
BMJ 349:g5602, Graham, U.M.,et al, 2014
Clinicopath Conf
Wegener's Granulomatosis Involving Sinuses, Skull, and Cranial Nerves, Case 28-1998, NEJM 339:755-76, , 199, 1998
Pellagra
In Brain's Diseases of the Nervous System, 8th Ed. 1977, p 849-851, Oxford University Press., , 1977