Observations on ultra-frozen tissue.
D000818:Animals; D003452:Cryosurgery; D005615:Freezing / Q000009:adverse effects*; D008099:Liver / Q000473:pathology*; D008113:Liver Neoplasms / Q000473:pathology*; D009374:Neoplasms, Experimental / Q000473:pathology; D051381:Rats