进一步认识与正确选用医学研究证据
孙荣国, 贾晓蓉
Further understanding and correct selection of medical research evidences
SUN Rong-guo, JIA Xiao-rong
卫生软科学 . 2020, (10): 51 -56 .  DOI: 10.3969/j.issn.1003-2800.2020.10.011