title: Long-term preservation of the Ehrlich ascites tumor.
mesh_terms: D000818:Animals; D002286:Carcinoma, Ehrlich Tumor; D002460:Cell Line; D002470:Cell Survival; D005069:Evaluation Studies as Topic; D005615:Freezing; D005990:Glycerol; D013997:Time Factors; D014021:Tissue Preservation / Q000379:methods*
chemical_list: D005990:Glycerol