Right Atrial Contraction Strain Is Associated With Clinically Significant Cellular Rejection in Patients After Heart Transplantation. - Rieth AJ; Fest I; Classen K; Choi YH; Kriechbaum SD; Keller T; Sossalla ST; Hamm CW; Fischer-Rasokat U (Transplant international : official journal of the European Society for Organ Transplantation, 2025)