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Table 1 RCT search strategy

From: Abstracts in high profile journals often fail to report harm

#1 randomized controlled trial. pt
#2 limit #1 to (clinical trial, phase i or clinical trial, phase ii)
#3 #1 not #2
#4 limit #3 to yr = 2003
#5 limit #4 to human
#6 limit #5 to journal article
#7 comment. pt
#8 #6 not #7
#9 #8 not letter. pt