Repetny KJ, Zhong X, Holodick NE, Rothstein TL, Hansen U. Binding of LBP‐1a to specific immunoglobulin switch regions in vivo correlates with specific repression of class switch recombination. Eur J Immunol. 2009 Apr 29;39(5):1387–94. doi: 10.1002/eji.200838226.