精选优质文档-倾情为你奉上二、随机对照试验检索策略Box 6.4.a: Cochrane Highly Sensitive Search Strategy for identifying randomized trials in MEDLINE: sensitivity-maximizing version (2008 revision); PubMed format#1#2#3#4#5#6#7#8#9#10#11randomized controlled trial ptcontrolled clinical trial ptrandomized tiab placebo tiab drug therapy sh randomly tiab trial tiab groups tiab #1 or #2 or #3 or #4 or #5 or #6 or #7 or #8humans mh#9 and #10PubMed search
