The American Economic Association's registry for randomized controlled trials
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112 Trials Found
C90, J01, D90
C90; D12
C90, D83, D91, Q25, Q54
C90, D82
D91, C90, C72, D83
C83, C90, D90, D91, M31, O33
C90, C91
C90
Q40. D90, C90
C90, D31, D63, D83, H23