REDLetr: Workflow and tools to support the migration of legacy clinical data capture systems to REDCap

William D. Dunn, Jake Cobb, Allan I. Levey, David A. Gutman. REDLetr: Workflow and tools to support the migration of legacy clinical data capture systems to REDCap. I. J. Medical Informatics, 93:103-110, 2016. [doi]