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Dyfyniad Arddull ChicagoSavin, J.A. Diagnosis in Color Skin Signs in Clinical Medicine. London: Mosby-Walfe, 1997.
Dyfyniad MLASavin, J.A. Diagnosis in Color Skin Signs in Clinical Medicine. Mosby-Walfe, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.