Bandyopadhyay, UttamBiswas, AtanuBhattacharya, Rahul2011-08-032011-08-032007Statistics in Medicine, v.26, p.4386-4399http://hdl.handle.net/10263/2252enCovariateLog-odd ratioOptimalityTwo stage allocationA covariate adjusted two stage allocation design for binary responses in randomized clinical trialsArticle