上颌第一磨牙远颊双根管1
崔平平 王晓雅 于建 孙钦峰
Maxillary first molar with two distobuccal root canals: a case report
Cui Pingping, Wang Xiaoya, Yu Jian, Sun Qinfeng.
华西口腔医学杂志 . 2016, (5): 539 -540 .  DOI: 10.7518/hxkq.2016.05.022