Causalgia as a Complication of Meningococcal Meningitis
BMJ 292:1710, McLelland,J.&Ellis,S.J., 1986
Acute Herpetic & Postherpetic Neuralgia:Clinical Review & Current Management
Ann Neurol 20:651-664, Portenoy,R.K.,et al, 1986
Pain Due to Lesions of Central Nervous System Removed by Sympathetic Block
BMJ 282:1026-1028, Loh,L.,et al, 1981