Variable | Year | Supplement |
---|---|---|
CEHCON42 | 2007 | Child complementary and alternative medicine |
CTP1CD43 | 2012 | Child complementary and alternative medicine |
EHTCND76 | 2007 | Alternative health |
EHTCON68 | 2002 | Alternative health |
TP1CND57 | 2012 | Alternative health |