{Reference Type}: Case Reports {Title}: Off-label transcatheter aortic valve-in-valve implantation in severe bioprosthetic aortic valve dysfunction after bioprosthetic Bentall operation: a scoping review, case study and proposed approach. {Author}: Chew NW;Soh RY;Kong G;Lim Y;Kuntjoro I; {Journal}: Singapore Med J {Volume}: 65 {Issue}: 7 {Year}: 2024 Jul 1 {Factor}: 3.331 {DOI}: 10.4103/singaporemedj.SMJ-2022-168