[Endoscopic Retrograde Cholangiopancreatography before Gallbladder Removal - an Unholy Alliance?] - Fischer L; Halavach K; Brahomov B; Huck B; Kolb G; Huber B; Erhardt C; Segendorf C; Fischer E; Koschny R; Feißt M (Zentralblatt fur Chirurgie, 2026)