title: Better alternatives to permuted block randomization for clinical trials with unequal allocation.
authors.affiliation: a Department of Public Health Sciences , Medical University of South Carolina , 135 Cannon Street, Suite 305P, Charleston , SC 29425 , USA.
authors.forename: Wenle
authors.initials: W
authors.lastname: Zhao
authors.affiliation: b Biometry Research Group , National Cancer Institute , 9609 Medical Center Drive, Rockville , MD 20850 , USA.|c University of Maryland Baltimore County , Baltimore , MD 20850 , USA.
authors.forename: Vance W
authors.initials: VW
authors.lastname: Berger
mesh_terms: D006801:Humans; D011897:Random Allocation