The American Economic Association's registry for randomized controlled trials
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457 Trials Found
J16, J18,C91
C91, D31, Z13
C9, M21, D81
C91, D83, D91, L82
C91, C92, D62
M30, D18 , L81, D91, C91
C91, D9, D91, D83
C91, D64, D8, D91
C91, C92, D64, Q56
C91, D81