Kafetz K
Postgrad Med J. 1985 Dec;61(722):1065-6. doi: 10.1136/pgmj.61.722.1065.
Two elderly patients with vitamin B12 deficiency were found to have low immunoglobulin levels. These returned to normal on treatment with vitamin B12.
两名维生素B12缺乏的老年患者被发现免疫球蛋白水平较低。经维生素B12治疗后,这些水平恢复正常。