I38, J24
I31, I32, I38, D31, D63, D64, D72, D83, D91, H11, H20, H50, O50, P16, Z18
I31, I32, I38, D31, D63, D64, D72, D83, D91, H11, H20, H50, O50, P16, Z18
J13 Early childhood stimulation; other codes: I20, I25, I30, I38
H24, I38, C93, H53
D74, D83, I38, O12
J61, R23, R12, I38
Health, Education, and Welfare, Microeconomics
J24, J64, J68, I38
I15, I38, J22, J29, O18