title: The use of frozen cells in the agar-cell suspension titration technique. A reproducible system. Brief report.
mesh_terms: D000362:Agar; D000818:Animals; D005537:Aphthovirus / Q000254:growth & development / Q000302:isolation & purification*; D002417:Cattle; D002460:Cell Line; D002478:Cells, Cultured; D002999:Clone Cells; D006224:Cricetinae; D005069:Evaluation Studies as Topic; D005615:Freezing; D007668:Kidney; D008722:Methods; D009584:Nitrogen; D011309:Preservation, Biological; D014357:Trypsin; D014721:Vesicular stomatitis Indiana virus / Q000302:isolation & purification; D010948:Viral Plaque Assay / Q000592:standards*
chemical_list: D000362:Agar; D014357:Trypsin; D009584:Nitrogen