[RECUR - Establishment of An Automated Digital Registry for Patients with Recurrent Stones in the Upper Urinary Tract]. - Walther T; Farin E; Boeker M; Prokosch HU; Binder H; Praus F; Ploner N; Fichtner UA; Horki P; Haeuslschmid R; Seuchter S; Gratzke C; et al. (Gesundheitswesen (Bundesverband der Arzte des Offentlichen Gesundheitsdienstes (Germany)), 2021)