Variable | Year | Supplement |
---|---|---|
CNTCON28 | 2007 | Child complementary and alternative medicine |
CTP1CD27 | 2012 | Child complementary and alternative medicine |
NATCND30 | 2007 | Alternative health |
NATCON27 | 2002 | Alternative health |
TP1CND29 | 2012 | Alternative health |