Variable | Year | Supplement |
---|---|---|
CRL_TRET | 2007 | Child complementary and alternative medicine |
CTP1TRET | 2012 | Child complementary and alternative medicine |
REL_TRET | 2007 | Alternative health |
REL_TRET | 2002 | Alternative health |
TP1_TRET | 2012 | Alternative health |