The American Economic Association's registry for randomized controlled trials
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247 Trials Found
C72, C78, C91, C92
D12, E52, E58
B4, C1, C91, C92, D81
C72, C73, C92.
D01, C91, C92, D63, D91, J71
C92, H41
C91, C92, D64, Q56
C92, D74
C92, D85, D91, Z13.
E31, E52