Prevalence and doppler echocardiographic characteristics of normally functioning mitral prostheses with mean gradient >/=10 mmHg 2017

How reliable is an effective orifice area indexed chart? 2009

The St. Jude Medical cardiac valve prosthesis: long-term follow up of patients having double valve replacement 2007

Manufacturer-provided effective orifice area index charts and the prevention of prosthesis-patient mismatch [review] 2012