The American Economic Association's registry for randomized controlled trials
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352 Trials Found
C92, G1
J08, J38, D63, D91
C92, C93, J71, J24
C71, C91, C92
C91, D31, D63, D90, O31
D63; D72; D91
C71, C92, D91, D83
H20, C92, D10, D31
C91, C92, J16
D31, D63, D91