Correlation Analysis between Serum Leptin and Periodontal Indexes of Patients with Refractory Periodontitis.
XU Zheng-mao, LIU Min, TIAN Li-hua
Journal of Oral Science Research . 2016, (7): 760 -763 .  DOI: 10.13701/j.cnki.kqyxyj.2016.07.024