title: A new method for titration of murine leukemia virus using purothionin A.
mesh_terms: D000818:Animals; D002460:Cell Line; D002470:Cell Survival / Q000187:drug effects; D003260:Contact Inhibition; D051379:Mice; D008828:Microbiological Techniques; D008979:Moloney murine leukemia virus / Q000254:growth & development*; D010940:Plant Proteins / Q000494:pharmacology*; D014908:Triticum; D010948:Viral Plaque Assay
chemical_list: D010940:Plant Proteins