PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Cell Biology Immunology Rheumatology Translational Medicine Hao Guo PeerJ Author Summary Cell Biology Immunology Rheumatology Translational Medicine PeerJ Contributions Articles 1 June 3, 2019 Comparison of therapeutic effects of different mesenchymal stem cells on rheumatoid arthritis in mice Qing Zhang, Qihong Li, Jun Zhu, Hao Guo, Qiming Zhai, Bei Li, Yan Jin, Xiaoning He, Fang Jin https://doi.org/10.7717/peerj.7023 PubMed 31198641