title: Mitral regurgitation of the On-X size 23 valve is comparable to or less than the size 27 SJM, which has the same geometric orifice area.
authors.forename: N H
authors.initials: NH
authors.lastname: Hwang
mesh_terms: D001696:Biomechanical Phenomena; D006350:Heart Valve Prosthesis; D006801:Humans; D008943:Mitral Valve / Q000473:pathology; D008944:Mitral Valve Insufficiency / Q000601:surgery