Changes of glottic exposure classification and related factors in infants with Pierre Robin sequence after mandibular distraction osteogenesis

XU Yingyi, ZHANG Na, QIU Qingqi, MAO Zhe, LIANG Yufeng, OU Xingxu, TAN Yonghong
The Journal of Practical Medicine . 2021, (7): 909 -913 .  DOI: 10.3969/j.issn.1006⁃5725.2021.07.016