Anesthetic Management for Concomitant Correction of Congenital Cardiac Defects and Long "O" Ring Tracheal Stenosis: A Role for Heliox?: Report of 2 Cases. - Mauron S; Longchamp D; Perez MH; Prêtre R; Sandu K; Di Bernardo S; Boegli Y; Dolci M (A&A practice, 2018)