Variable | Year | Supplement |
---|---|---|
CEHCON33 | 2007 | Child complementary and alternative medicine |
CTP1CD33 | 2012 | Child complementary and alternative medicine |
EHTCND49 | 2007 | Alternative health |
EHTCON38 | 2002 | Alternative health |
TP1CND45 | 2012 | Alternative health |