Cryosurgery for tumors: otolaryngology.
D000368:Aged; D002648:Child; D003452:Cryosurgery / Q000379:methods; D004428:Ear Neoplasms / Q000601:surgery*; D005153:Facial Neoplasms / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009062:Mouth Neoplasms / Q000601:surgery*; D009584:Nitrogen / Q000627:therapeutic use
D009584:Nitrogen