Chai, H. H., Gao, S. S., Chen, K. J., Duangthip, D., Lo, E. C. M., & Chu, C. H. (2020). A Kindergarten-Based Oral Health Preventive Approach for Hong Kong Preschool Children. Healthcare (Basel).

Chai, Hollis Haotian, Sherry Shiqian Gao, Kitty Jieyi Chen, Duangporn Duangthip, Edward Chin Man Lo, and Chun Hung Chu. "A Kindergarten-Based Oral Health Preventive Approach for Hong Kong Preschool Children." Healthcare (Basel) 2020.

Chai, Hollis Haotian, et al. "A Kindergarten-Based Oral Health Preventive Approach for Hong Kong Preschool Children." Healthcare (Basel) 2020.