Variable | Year | Supplement |
---|---|---|
CTP1CD30 | 2012 | Child complementary and alternative medicine |
CYGCON31 | 2007 | Child complementary and alternative medicine |
TP1CND35 | 2012 | Alternative health |
YTQCND37 | 2007 | Alternative health |
YTQCON50 | 2002 | Alternative health |