[1]乔长河,何玉芳.中药复方提取液治疗牙周病60例[J].西部中医药,2019,32(08):67. QIAO Changhe,HE Yufang.Herbal Compound Extract in the Treatment for 60 Patients with Periodontosis[J].Western Journal of Traditional Chinese Medicine,2019,32(09):67.