Oguntola A. S, Adeoti M. L, Bello T. O, Ojemakinde K. A, and Mabayoje V. O. 2009. “Surgical Relief Of Obstructive Jaundice And Persistent Epigastric Pain In A Patient With Huge Retroperitoneal Tumour: A Case Presentation”. Western Nigeria Journal of Medical Sciences 2 (02 May/June). https://wnjms.com.ng/journal/index.php/wnjms/article/view/49.