The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
115 Trials Found
I20, O12
I20, I24, I28, O12
I20, I25, D80, 015
I20, I21, I23, I26
D14, D63, H43, I25, I38, J24, R23
I20, I29, C93, D91
A22, C93, I20, I23, J08, J16
I20, I21
J13 Early childhood stimulation; other codes: I20, I25, I30, I38
I20; I31