→ mymindden:信箱:u9322024@gmail.com 05/02 14:12
推 stillcat:sent! 05/02 14:54
Users' guides to the medical literature. II. How to use an article about
therapy or prevention. A. Are the results of the study valid? Evidence-Based
Medicine Working Group.
JAMA. 1993 Dec 1;270(21):2598-601
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