CJCP     2016 18 (5):  466-471    ISSN: 1008-8830  CN: 43-1301/R Roles of interleukin-21 and its receptor in autoimmune diseases YANG De-Juan, HAN Bo Department of pediatric Cardiology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China Received: 2015-12-30  Revised: 2016-03-24  Online: null Supporting info null