The American Economic Association's registry for randomized controlled trials
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439 Trials Found
C72, D31, D63, D81, D90, I00
D81, C91
C90
Q40. D90, C90
C9, M21, D81
C90, D31, D63, D83, H23
D12, D83,D64, I12,,Q13,Q18
C91, D81
D12, E21,C81,c83
I24, J24, D91, C90