1. Unexplained infertility patients have increased serum IL-2, IL-4, IL-6, IL-8, IL-21, TNFα, IFNγ and increased Tfh/CD4 T cell ratio: increased Tfh and IL-21 strongly correlate with presence of autoantibodies. (February 2015) Authors: An, Li-Feng; Zhang, Xue-Hong; Sun, Xiao-Tong; Zhao, Li-Hui; Li, Sheng; Wang, Wei-Hua Journal: Immunological investigations Issue: Volume 44:Number 2(2015) Page Start: 164 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗