Method to Reproduce Physical and Virtual Biomodel of a Sphenoid Sinus and Nasal Passage Structures with a Sphenoid Tumour. - Alwin Kumar Rathinam; Yuwaraj Kumar Balakrishnan; Tan Su Tung; Roshni Menon; Hari Chandran; Zainal Ariff Abdul Rahman; Vicknes Waran (EMS, 2013)