1.
Sekhon JS. Multivariate and Propensity Score Matching Software with Automated Balance Optimization: The Matching package for R. J. Stat. Soft. [Internet]. 2011 Jun. 14 [cited 2024 Nov. 21];42(7):1-52. Available from: https://www.jstatsoft.org/index.php/jss/article/view/v042i07