Addition of the Tilburg Frailty Indicator to the classic Global Registry of Acute Coronary Events risk score improves its prognostic value in elderly patients with acute coronary syndrome. - Wontor R; Ołpińska B; Łoboz-Rudnicka M; Wyderka R; Dudek K; Łoboz-Grudzień K; Jaroch J (Polish archives of internal medicine, 2024)