PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Dentistry Epidemiology Public Health Urology Cheng-I Lin PeerJ Author Summary Dentistry Epidemiology Public Health Urology PeerJ Contributions Articles 1 July 31, 2018 Patients with chronic periodontitis are more likely to develop upper urinary tract stone: a nation-wide population-based eight-year follow up study I-Shen Huang, Sung-En Huang, Wei-Tang Kao, Cheng-Yen Chiang, To Chang, Cheng-I Lin, Alex T. Lin, Chih-Chieh Lin, Yu-Hua Fan, Hsiao-Jen Chung https://doi.org/10.7717/peerj.5287 PubMed 30083446