Programs for calculating the statistical powers of detecting susceptibility genes in case-control studies based on multistage designs. - Nobutaka Kitamura; Kouhei Akazawa; Akinori Miyashita; Ryozo Kuwano; Shin-ichi Toyabe; Junichiro Nakamura; Norihito Nakamura; Tatsuhiko Sato; M. Aminul Hoque (Bioinform., 2009)