共 4 条
[1]
Healthcare Cost and Utilization Project, 2015, NRD DESCR DAT EL
[2]
Houchens R., 2014, Nationwide Inpatient Sample (NIS) resdesign final report
[3]
Leuven E., 2015, Psmatch2: stata module to perform full Mahalanobis and propensity score matching, common support graphing, and covariate imbalance testing