Application of SAS macro program in sorting data about time stratified casecrossover design
Li Ning, Ji Wei, Yu Yanfeng, Han Hangtao, Fan Mingsuo, Zhang Liang.
Chinese Journal of Hospital Statistics ›› 2019, Vol. 26 ›› Issue (3) : 175-178.
Application of SAS macro program in sorting data about time stratified casecrossover design
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