The American Economic Association's registry for randomized controlled trials
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115 Trials Found
I21, J16, C83
C83, D72
C83, D84, E31
C83, C91, J16, J71
J13, J16 , C83, Z13
C83, I28, D83
C83; D84; E31; J13.
C21, C83, C90, D12, D83, D91
E21, E24, E52, C83, D84
C83, E31, E52