The American Economic Association's registry for randomized controlled trials
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111 Trials Found
C72, C92, M53, M54
C92; D83; D91
K12; C92; D8
C72, C91, C92, D44
C72, C92, D64, H41
C72, C92, D72, D82
C21, C90, C92, D64, D91, I00, I12.
C92, D91, D81
D31, I38, C93, C92, O12
C91, C92, D02, D63