A 22-Year-Old Man with Progressive Bilateral Visual Loss
Neurol 94:625-630, Yang, S.L.,et al, 2020
Clinicalpathologic Conference, Vitamin B12 Deficiency due to Pernicious Anemia
NEJM 366:1626-1633, Case 13-2012, 2012
Eosinophilia-Myalgia Syndrome-New Mexico
JAMA 262:3116, Belvins,W.L.,et al, 1989