title: Herbals--beware bleeding.
authors.forename: C
authors.initials: C
authors.lastname: Ananthanarayan
authors.forename: G
authors.initials: G
authors.lastname: Urbach
mesh_terms: D016063:Blood Loss, Surgical; D020900:Echinacea / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008875:Middle Aged; D010946:Plants, Medicinal