Onabolu O.Donos N.YU-KANG TUDarbar U.Nibali L.2022-05-102022-05-1020150300-5712https://www.scopus.com/inward/record.uri?eid=2-s2.0-84929949483&doi=10.1016%2fj.jdent.2015.02.005&partnerID=40&md5=486f0803d1bf4015044311b16e84552chttps://scholars.lib.ntu.edu.tw/handle/123456789/610269Periodontal progression based on radiographic records: An observational study in chronic and aggressive periodontitisjournal article10.1016/j.jdent.2015.02.005257692632-s2.0-84929949483