The American Economic Association's registry for randomized controlled trials
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490 Trials Found
C91, D83
J24, J16, J81, C91, C92
D44, C72, I20, I28, C91,C92,C93
c91, c73
I30, I38, J13, C91, C93
C81, D81, C91
C91, D81, D83
C91, D91, D72
C91, D83, P16
C91, D03