title: Sequential chromosome analysis of Walker carcinosarcoma-256 implanted into rats after frozen storage.
mesh_terms: D000818:Animals; D002279:Carcinoma 256, Walker / Q000235:genetics*; D002478:Cells, Cultured; D002875:Chromosomes; D005615:Freezing; D007621:Karyotyping; D009368:Neoplasm Transplantation; D009584:Nitrogen; D051381:Rats; D013997:Time Factors
chemical_list: D009584:Nitrogen