Clinicopathologic Conference, Functional Vitamin B12 Deficiency from Use of Nitrous Oxide
NEJM 388:1893-1900, Case 15-2023, 2023
Sjogren Syndrome: Neurologic Complications
www.Medlink.com,Jan, Roman,G.C., 2010
Sarcoidosis of the Nervous System, A Clinical Approach
Arch Int Med 151:1317-1321, Sharma,Om.P.&Sharma,A.D., 1991