AW, Noraziana, Hakim B, Alik R, and Mokhtar A. 2010. “An Undiagnosed Non Functioning Retroperitoneum Paraganglioma, Complicating A Gynaecological Surgery; A Case Report”. IIUM Medical Journal Malaysia 9 (1). https://doi.org/10.31436/imjm.v9i1.744.