The American Economic Association's registry for randomized controlled trials
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196 Trials Found
C78, C91, D63
C92, D85, D91, Z13.
C78; D90
C92, D82, D83
C72; C92
D83, D82, C92
C92 C78 I20
C71, C92, H41
J24, J16, J81, C91, C92