AU - Niknam B FAU - Niknam, Bijan A. AU - Zubizarreta J FAU - Zubizarreta, Jose R. AU - Livingston E FAU - Livingston, Edward H. AU - Lewis R FAU - Lewis, Roger J. TI - Using Cardinality Matching to Design Balanced and Representative Samples for Observational Studies PT - BOOK SECTION DP - 2019 BTI - JAMA Guide to Statistics and Methods DA - 2019 Y2 - 2024/03/29 UR - jamaevidence.mhmedical.com/content.aspx?aid=1199075137