Okonta, K. E., & Kesieme, E. B. (2012). Is oesophagectomy or conservative treatment for delayed benign oesophageal perforation the better option? Oxford University Press.
Chicago Style aipamenaOkonta, Kelechi E., and Emeka B. Kesieme. Is Oesophagectomy or Conservative Treatment for Delayed Benign Oesophageal Perforation the Better Option? Oxford University Press, 2012.
MLA aipamenaOkonta, Kelechi E., and Emeka B. Kesieme. Is Oesophagectomy or Conservative Treatment for Delayed Benign Oesophageal Perforation the Better Option? Oxford University Press, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.