Toevaluatetheclinicaleffectofthreekindsofzirconiacrownsofposteriorteethinfiveyears
XINZhi-qiang 1, LIANGRui-ying 3, YANGChun-xia3
Journal of Hebei Medical University . 2016, (2): 158 -160,171 .  DOI: 10.3969/j.issn.10073205.2016.02.009