Original article
A nationwide, cross-sectional multicenter study
Heinrich, F; Manthey, J; Wulff, B; Stallbaum, F; Dost, K; Graf, W; Kowalski, V; Brennecke, A; Hajek, A; König, HH; Püschel, K; Ondruschka, B; Iwersen-Bergmann, S
A systematic review and meta-analysis
Wiedl, A; Geiger, F; Eberl, J; Wirries, A; Hammad, A
Clinical Snapshot
Hudowenz, O; Graßhoff, L; Sieren, M M
Review article
Krueckel, J; Kerschbaum, M; Alt, V; Lang, S
Schmitz, D; Stenzinger, A; Grützmann, R; Esposito, I; Raatschen, HJ; Seufferlein, T T W
Research letter
Szymski, D; Krutsch, W; Weber, J; Knapp, G; Huber, L; Walter, N; Heiss, C; Alt, V; Rupp, M
