Quantitative comparison of parathyroid hormone 1 receptor between human periodontal ligament stem cells and human periodontal ligament cells  
Wang Yan-lan, Wang Xiao-xiao, Chen Tian-yu, Yang Fan-qiao, Dai Xu-bin, Ou Qian-min, Dai Shuang-ye, Lin Xue-feng
Chinese Journal of Tissue Engineering Research . 2015, (10): 1562 -1569 .  DOI: 10.3969/j.issn.2095-4344.2015.10.016