title: Focus formation by murine sarcoma virus: enhancement by DEAE-dextran.
mesh_terms: D000818:Animals; D003911:Dextrans / Q000494:pharmacology*; D005455:Fluorescent Antibody Technique; D017988:Gammaretrovirus / Q000187:drug effects / Q000378:metabolism*; D008854:Microscopy, Electron; D012513:Sarcoma, Experimental / Q000382:microbiology*
chemical_list: D003911:Dextrans