PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Genomics Molecular Biology Zoology Chao Zhao PeerJ Author Summary Past or current institution affiliations Qufu Normal University PeerJ Contributions Articles 1 August 30, 2019 Comparative and evolutionary analysis of the reptilian hedgehog gene family (Shh, Dhh, and Ihh) Tian Xia, Honghai Zhang, Lei Zhang, Xiufeng Yang, Guolei Sun, Jun Chen, Dajie Xu, Chao Zhao https://doi.org/10.7717/peerj.7613 PubMed 31531274