title: An expert witness.
authors.forename: A
authors.initials: A
authors.lastname: Halperin
mesh_terms: D019072:Antibiotic Prophylaxis / Q000706:statistics & numerical data*; D004697:Endocarditis, Bacterial / Q000517:prevention & control*; D005104:Expert Testimony; D006801:Humans; D012308:Risk Management; D006113:United Kingdom