title: Heads up on herbals.
authors: D A
authors: DA
authors: Wong
authors: J A
authors: JA
authors: McMulloch
mesh_terms: D000328:Adult; D001778:Blood Coagulation Disorders / Q000139:chemically induced*; D016063:Blood Loss, Surgical; D006801:Humans; D008297:Male; D008487:Medical History Taking / Q000379:methods*; D008517:Phytotherapy / Q000009:adverse effects*; D016103:Spinal Fractures / Q000601:surgery*