| #1 #2 #3 #4 #5 #6 #7 #8 #9 #10 #11 |
randomized controlled trial [pt] controlled clinical trial [pt] randomized [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 #8 animals [mh] not (humans [mh] and animals [mh]) #9 not #10 |
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