Man-Ho Ling

Exact and approximate unconditional confidence intervals for proportion difference in the presence of incomplete data

Man-Lai Tang, Guo-Liang Tian, G. Tian, 2009, Statistics in medicine.

Confidence intervals for a difference between proportions based on paired data

Leevan Ling, Man-Lai Tang, Guoliang Tian, 2010, Statistics in medicine.