Surgical and per-oral endoscopic myotomy (POEM) for the treatment of primary esophageal motility disorders: A systematic analysis of current trends in Germany between 2011 and 2019. - Kandler, Jennis; Essing, Tobias; Schöler, David; Flügen, Georg; Knoefel, Wolfram T.; Roderburg, Christoph; Luedde, Tom; Loosen, Sven H. (PLoS ONE, 2024)