The American Economic Association's registry for randomized controlled trials
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603 Trials Found
D91, O12, Z12
C71; C83; C92; D91
D72, D73, D91, H23, Q38, P11
D71, D80, D91
C9, D83, D64, C45, D91
C91; D83; D91
D91
L86, P00, D80, D91
C99, D11, D81, D91
C91, D01, D91