Variable | Year | Supplement |
---|---|---|
CEHCON31 | 2007 | Child complementary and alternative medicine |
CTP1CD30 | 2012 | Child complementary and alternative medicine |
EHTCND37 | 2007 | Alternative health |
EHTCON50 | 2002 | Alternative health |
TP1CND35 | 2012 | Alternative health |