Sample size calculation resources

Sample Size Planning

Paper about sample size calculation:

http://biostat.sphpc.cuhk.edu.hk/Biostat/LinkClick.aspx?fileticket=er%2bu%2f5OxbZI%3d&tabid=56

Online reference sample size calculator:

http://www.stat.ubc.ca/~rollin/stats/ssize/

http://biostat.sphpc.cuhk.edu.hk/stat/index.htm