First results of fast neutron therapy for advanced head and neck cancer in Kraków.
D000328:Adult; D000368:Aged; D005214:Fast Neutrons / Q000627:therapeutic use*; D005260:Female; D006258:Head and Neck Neoplasms / Q000401:mortality / Q000532:radiotherapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009502:Neutrons / Q000627:therapeutic use*