1. Ferlay J, Shin HR, Bray F, Forman D, Mathers C, Parkin DM (2010) GLOBOCAN 2008 v2.0, Cancer incidence and mortality worldwide: IARC Cancer Base No. 10 [Internet], International Agency for Research on Cancer, Lyon, France. http://globocan.iarc.fr . Accessed October 2014
2. van den Brekel MWM, Castelijns JA, Snow GB (1998) Diagnostic evaluation of the neck. Otolaryngol Clin N Am 31(4):601–620
3. Medina JE, Weisman RA (1998) Preface. Otolaryngol Clin N Am 31(4):9–10
4. Paleri V, Watkinson JC (2012) Metastatic neck disease. In: Watkinson JC, Gilbert RW (eds) Stell and Maran’s textbook of head and neck surgery and oncology, 5th edn. Hodder Arnold, London, pp 661–689
5. Ali S, Tiwari RM, Snow GB (1985) False positive and false negative neck nodes. Head Neck 8(2):78–82