Anan, R., Akiyama, M., Kaneko, Y., Kikuchi, J., Suzuki, K., Matsubara, S., & Takeuchi, T. (2017). Polymyositis with elevated serum IgG4 levels and abundant IgG4(+) plasma cell infiltration: A case report and literature review. Medicine (Baltimore).

Anan, Ryusuke, Mitsuhiro Akiyama, Yuko Kaneko, Jun Kikuchi, Kazuko Suzuki, Shiro Matsubara, and Tsutomu Takeuchi. "Polymyositis With Elevated Serum IgG4 Levels and Abundant IgG4(+) Plasma Cell Infiltration: A Case Report and Literature Review." Medicine (Baltimore) 2017.

Anan, Ryusuke, et al. "Polymyositis With Elevated Serum IgG4 Levels and Abundant IgG4(+) Plasma Cell Infiltration: A Case Report and Literature Review." Medicine (Baltimore) 2017.