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| Effect of Laser Therapy on Oral Microflora and Gingival Microcirculation in Patients with Chronic Periodontitis |
| YIN Yanfei, LI Wenxia, YANG Qian, FAN Lingying, ZHANG Wei |
| First-author's address: Healthy Examination & Management Center Dental Clinic, Second Hospital of Lanzhou University, Lanzhou 730030, China |
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