K. K. Gordon Lan

Increasing the sample size when the unblinded interim result is promising

D. DeMets, Y. H. J. Chen, K. K. Gordon Lan, 2004, Statistics in medicine.

The Use of Weighted Z-Tests in Medical Research

Y. Soo, K. K. Gordon Lan, Yuhwen Soo, 2005, Journal of biopharmaceutical statistics.

Design and Sample Size Considerations for Simultaneous Global Drug Development Program

K. K. Gordon Lan, Qin Huang, Gang Chen, 2012, Journal of biopharmaceutical statistics.

Assessing the consistency of the treatment effect under the discrete random effects model in multiregional clinical trials

Yi-Hsuan Lai, C. Hsiao, K. K. Gordon Lan, 2016, Statistics in medicine.

Some drop‐the‐loser designs for monitoring multiple doses

D. DeMets, K. K. Gordon Lan, Y H Joshua Chen, 2010, Statistics in medicine.