P129CD4+CD28null T lymphocytes are associated with the development of atrial fibrillation after elective cardiac surgery. (23rd April 2018) - Sulzgruber, P; Thaler, B; Koller, L; Pilz, A; Steininger, M; Fleck, T; Laufer, G; Steinlechner, B; Wojta, J; Niessner, A