Clinicopathologic Conference, Functional Vitamin B12 Deficiency from Use of Nitrous Oxide
NEJM 388:1893-1900, Case 15-2023, 2023
Progressive Weakness and Memory Impairment in a Middle-aged Man
JAMA 320:197-198, DeFilippis, E.M.,et al, 2018
Copper Deficiency
BMJ 348:g3691, Chhetri, S.K.,et al, 2014