title: Do you know when to step in?
authors.affiliation: Liverpool Heart and Chest Foundation Trust.
authors.forename: Sue
authors.initials: S
authors.lastname: Pemberton
mesh_terms: D003142:Communication; D006801:Humans; D007600:Judgment; D019300:Medical Errors / Q000517:prevention & control*; D024382:Professional Role / Q000523:psychology*