Variable | Year | Supplement |
---|---|---|
CEHCON39 | 2007 | Child complementary and alternative medicine |
CTP1CD41 | 2012 | Child complementary and alternative medicine |
EHTCND52 | 2007 | Alternative health |
EHTCON44 | 2002 | Alternative health |
TP1CND52 | 2012 | Alternative health |