DOI:
10.1055/s-00000094
Zeitschrift für Gastroenterologie
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References
Bengtsson M, Ohlsson B, Ulander K.
Development and psychometric testing of the Visual Analogue Scale for Irritable Bowel Syndrome (VAS-IBS).
BMC Gastroenterol 2007;
7: 16 . doi:10.1186/1471-230x-7-16
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