A SAS Macro for Covariate-Constrained Randomization of General Cluster-Randomized and Unstratified Designs.
Greene EJ. A SAS Macro for Covariate-Constrained Randomization of General Cluster-Randomized and Unstratified Designs. Journal Of Statistical Software 2017, 77 PMID: 28649186, PMCID: PMC5479642, DOI: 10.18637/jss.v077.c01.Peer-Reviewed Original Research