Christian McNeely

Hospital volume, mitral repair rates, and mortality in mitral valve surgery in the elderly: an analysis of US hospitals treating Medicare fee-for-service patients.

John Spertus, J. Spertus, S. Markwell, 2015, The Journal of thoracic and cardiovascular surgery.

Long-Term Survival of Patients Undergoing Mitral Valve Repair and Replacement: A Longitudinal Analysis of Medicare Fee-for-Service Beneficiaries

Stephen R. Hazelrigg, S. Markwell, C. Vassileva, 2013, Circulation.