New Zealanders' favourite natural health products are ineffective.
Shaun
S
Holt
Sarah
S
Jeffries
Andrew
A
Gilbey
D000328:Adult; D001294:Attitude to Health; D001688:Biological Products / Q000009:adverse effects / Q000627:therapeutic use; D002648:Child; D000529:Complementary Therapies / Q000009:adverse effects / Q000706:statistics & numerical data; D006801:Humans; D009520:New Zealand; D016896:Treatment Outcome
D001688:Biological Products