%0 Journal Article %T Genetic alterations and field defect in head and neck squamous cell carcinoma %A Strzelczyk J K %A Krakowczyk £¿ %A Kwa£¿niewski M %A P£¿achetka A %J Hereditary Cancer in Clinical Practice %D 2012 %I BioMed Central %R 10.1186/1897-4287-10-s4-a21 %U http://www.hccpjournal.com/content/10/S4/A21