Variable | Year | Supplement |
---|---|---|
CTP1CD41 | 2012 | Child complementary and alternative medicine |
CYGCON39 | 2007 | Child complementary and alternative medicine |
TP1CND52 | 2012 | Alternative health |
YTQCND52 | 2007 | Alternative health |
YTQCON44 | 2002 | Alternative health |