title: Response to Dr Katz's letter to the editor.
authors.forename: Louis
authors.initials: L
authors.lastname: DiVincenti
authors.forename: Robin
authors.initials: R
authors.lastname: Westcott
authors.forename: Candice
authors.initials: C
authors.lastname: Lee
mesh_terms: D000818:Animals; D002315:Cardiopulmonary Bypass / Q000379:methods*; D006801:Humans; D023421:Models, Animal; D034561:Sheep, Domestic