The American Economic Association's registry for randomized controlled trials
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553 Trials Found
D90, C93
P00, D91, D01, C91
C9 C93 C99 D90 M52
C91, D63, J14, P51
J16, J24, J63, C91, M54
C93, D90, L92, R41, R48
C78, C73, D82, C91
D72, C91, D83, D91
D12, D90, D22, L20, L81, L82, M31
C72, D31, D63, D81, D90, I00