Preoperative anaemia in distal pancreatectomy: a propensity-score matched analysis. - Radulova-Mauersberger O; von Bechtolsheim F; Teske C; Hempel S; Kroesen L; Pecqueux M; Kahlert C; Weitz J; Distler M; Oehme F (Langenbeck's archives of surgery, 2024)