D60, O12, O13, Q12, Q16, Q24, Q57
D81, D84, I21, I22, O3
and Effects of Psychological, Emotional, Social, and Cognitive Factors. I21 — Analysis of Education.
I21, I20, O33, D91, C93, H24
I15 I25 J13 O15
M53 ; J24; C93
D60, O12, O13, Q12, Q16, Q24, Q57.
C93, I21, D91
I21, C93, I28, J24
I21, O15, C93