Making; J13 - Fertility • Family Planning • Child Care • Children • Youth; I20 – Education and Research Institutions - General
C91 Laboratory, Individual Behavior; C92 Laboratory, Group Behavior;
D10, I20, C93, Q01, Q53, O10
C92, D63, D83
I20
C92, D71
D72, C91, C92
D72, C91, C92
D03, I20, I21, O12, C93
C91, C92, D03, Z13