Lee, C. K. (2011). Dental anomalies in the primary dentition [doctoral dissertation, The University of Hong Kong]. Airiti Library. https://www.airitilibrary.com/Article/Detail?DocID=U0029-1812201200019763
Lee, C. K. (2011). Dental anomalies in the primary dentition [doctoral dissertation, The University of Hong Kong]. Airiti Library. https://www.airitilibrary.com/Article/Detail?DocID=U0029-0611201300011840