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Wildi, S M; Schoepfer, A M; Vavricka, S R; Fruehauf, H; Safroneeva, E; Wiegand, N; Bauerfeind, P; Fried, M (2012). Colorectal polypectomy during insertion and withdrawal or only during withdrawal? A randomized controlled trial. Endoscopy, 44(11), pp. 1019-23. Stuttgart: Thieme 10.1055/s-0032-1310237
Vavricka, S R; Tutuian, R; Imhof, A; Wildi, S; Gubler, C; Fruehauf, H; Ruef, C; Schoepfer, A M; Fried, M (2010). Air suctioning during colon biopsy forceps removal reduces bacterial air contamination in the endoscopy suite. Endoscopy, 42(9), pp. 736-41. Stuttgart: Thieme 10.1055/s-0030-1255615
