The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
903 Trials Found
D91; I25
C93, D91, Q18
D91, I20, J16, O33
D91
Health, Education and Welfare
O13, Q12, Q16, D91, C93
I12, D91, C90
I12, I10, D91
C91, D83, D91, L82
O13, D83, H5, D91