References
- Svensson T, Höglund M, Cherif H. Clinical significance of serum immunoglobulin G subclass deficiency in patients with chronic lymphocytic leukemia. Scand J Infect Dis 2013 Feb 21. [Epub ahead of print]
- Freeman JA, Crassini KR, Best OG, Forsyth CJ, Mackinlay NJ, Han P, et al. Immunoglobulin G subclass deficiency and infection risk in 150 patients with chronic lymphocytic leukemia. Leuk Lymphoma 2013;54:99–104.