Beholz, S., Hunter, S., Alcón, C.A.I. and Zussa, C. 2005. Recommendations for the Implantation of the Pericarbon Freedom Stentless Valve. The Heart Surgery Forum. 8, 6 (Oct. 2005), E409-E411. DOI:https://doi.org/10.1532/HSF98.20051030.