title: Group sequential, sample size re-estimation and two-stage adaptive designs in clinical trials: a comparison.
authors.affiliation: Department of Biostatistics, University of Medicine and Dentistry of New Jersey, Piscataway, NJ 08854, USA. shihwj@umdnj.edu
authors.forename: Weichung Joe
authors.initials: WJ
authors.lastname: Shih
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods*; D003198:Computer Simulation; D003627:Data Interpretation, Statistical; D012107:Research Design; D018401:Sample Size