Christ, T., Claus, B., Borck, R., Konertz, W. and Grubitzsch, H. 2015. The St. Jude Toronto stentless bioprosthesis: Up to 20 years follow-up in younger patients. The Heart Surgery Forum. 18, 4 (Aug. 2015), E129-E133. DOI:https://doi.org/10.1532/hsf.1252.