About Nicola Viola Nicola Viola MD, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada Books by Nicola Viola Key Questions in Congenital Cardiac Surgery edited by Narain Moorjani, Nicola Viola & Christopher Caldarone foreword by William J. Brawn Key Questions in Cardiac Surgery by (author) Narain Moorjani, Nicola Viola & Sunil K. Ohri
