The American Economic Association's registry for randomized controlled trials
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186 Trials Found
J71, C90, D12
C90, D43, D12, D83
C90; D01; D83; D91; R11
J24, J31, C90
D03 , D91 , H41, D64, C90
C72, C90, L13
C90, D01, D83, J15, J71