Journal of Southern Medical University
Ultrasound subgingival scaling combined with manual root planing for treatment of chronic periodontitis in elderly patients
霍文艳，王海锋，刘思思，刘亚男
Journal of Southern Medical University . 2020, (05): 723 -726 .  DOI: 10.12122/j.issn.1673-4254.2020.05.18