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Exadaktylos, AK; Sadowski-Cron, C; Mäder, P; Weissmann, M; Dinkel, HP; Negri, M; Zimmermann, H (2008). Decision making in patients with acute abdominal pain at a university and at a rural hospital: Does the value of abdominal sonography differ? World journal of emergency surgery, 3(1), p. 29. London: BioMed Central 10.1186/1749-7922-3-29
