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Dyfyniad Arddull ChicagoBecker, Horst-Dieter, Diethelm Wallwiener, Tilman T. Zittel, and Arnulf Stenzl. Urinary and Fecal Incontinence: An Interdisciplinary Approach. Berlin, Heidelberg: Springer-Verlag Berlin Heidelberg, 2005.
Dyfyniad MLABecker, Horst-Dieter, et al. Urinary and Fecal Incontinence: An Interdisciplinary Approach. Springer-Verlag Berlin Heidelberg, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.