The American Economic Association's registry for randomized controlled trials
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218 Trials Found
C93, D64, D91
C90, C93, D64, D91
C9 J21 J24 J28
C9, D63
A13, C72, D01, D64
C93, D64, D91, J14
C93, D63, D64, D90
C72, C92, D64, H41
C9, I2, J3, L2
C21, C90, C92, D64, D91, I00, I12.