MarksJ.; RaoA.; LorenD.; WitkiewiczA.; MastrangeloM.; BergerA. Malignant Melanoma Presenting as Obstructive Jaundice Secondary to Metastasis to the Ampulla of Vater. JOP. Journal of the Pancreas, v. 11, n. 2, p. 173-175, 5 mar. 2010.