Hansheng Wang

Sample size calculations in clinical research

2020

Sample Size Calculations in Clinical Research, Second Edition

2014

Xin shi ji Zhongguo da xue sheng (wen ke xue shi) bi ye lun wen jing xuan jing ping

2002

Sample Size Calculation in Clinical Research

2003

Bian qian zhong de cheng qu zheng fu yu qu jie jing ji

2002