The American Economic Association's registry for randomized controlled trials
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971 Trials Found
C91; D83; D91
I21, J16.
I21, I25, J24, O15
D90 D91 D83 I12 I18 I21 O35
D91, D83, C91, N35
D72, D83, J16
C92, D63, D83
C93;D03;D21;D83;D84;J64;O17;O12
C91, D83
O14, O16, O17, O33, D83, G20, L14, L15, L81