The American Economic Association's registry for randomized controlled trials
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124 Trials Found
D64; L30
C90, D64, L31
C93, D63, D64
C83; C91; D64; D90; Z13
D03, D64, C91
C91, C92, D64, Q56
D64, H41, C93, D91
D03 , D91 , H41, D64, C90
D64
C93; D64; L31