@article{201150.4321, title={Serial Changes of Elevated Serum IgG4 Levels in IgG4-related Systemic Disease}, author={Taku Tabata and Terumi Kamisawa and Kensuke Takuma and Naoto Egawa and Keigo Setoguchi and Koji Tsuruta and Taminori Obayashi and Tsuneo Sasaki}, journal={Internal Medicine}, volume={50}, number={2}, pages={69-75}, year={2011}, doi={10.2169/internalmedicine.50.4321} }