Association of VDR and CYP2R1 Polymorphisms with Mite-Sensitized Persistent Allergic Rhinitis in a Chinese Population. oleh Hui-Qin Tian, Xin-Yuan Chen, Ying Lu, Wen-Min Lu, Mei-Lin Wang, Hai-Long Zhao, Mei-Ping Lu, Han Zhou, Ruo-Xi Chen, Zheng-Dong Zhang, Chong Shen, Lei Cheng