病案随机抽样的SAS实现

病案随机抽样的SAS实现

谷玉婷，翁俊，彭志刚

Random sampling of medical records based on SAS

Gu Yuting, Weng Jun, Peng Zhigang

中国医院统计 . 2021, (4): 380 -384 . DOI: 10.3969/j.issn.1006-5253.2021.04.019