PeerJ Author 200 Points Contributions by role Author 200 Contributions by subject area Dentistry Dermatology Epidemiology Public Health Rheumatology Immunology Hui Chieh Yu PeerJ Author Summary Dentistry PeerJ Contributions Articles 2 June 20, 2018 Patients with chronic periodontitis present increased risk for primary Sjögren syndrome: a nationwide population-based cohort study Tai-Chen Lin, Chien-Fang Tseng, Yu-Hsun Wang, Hui-Chieh Yu, Yu-Chao Chang https://doi.org/10.7717/peerj.5109 PubMed 29942713 November 16, 2017 Increased risk of periodontitis in patients with psoriatic disease: a nationwide population-based retrospective cohort study Ni-Yu Su, Jing-Yang Huang, Chien-Jen Hu, Hui-Chieh Yu, Yu-Chao Chang https://doi.org/10.7717/peerj.4064 PubMed 29158990