Surveillance on the status of immune cells after Echinnococcus granulosus protoscoleces infection in Balb/c mice. oleh Wei Pan, He-Jun Zhou, Yu-Juan Shen, Ying Wang, Yu-Xin Xu, Yuan Hu, Yan-Yan Jiang, Zhong-Ying Yuan, Chidiebere E Ugwu, Jian-Ping Cao