title: Induction of oncornavirus-like particles in cell line of canine mammary carcinoma.
mesh_terms: D000818:Animals; D002460:Cell Line; D002499:Centrifugation, Density Gradient; D004259:DNA-Directed DNA Polymerase / Q000032:analysis; D004285:Dogs; D008325:Mammary Neoplasms, Experimental / Q000201:enzymology / Q000648:ultrastructure*; D008854:Microscopy, Electron; D012190:Retroviridae / Q000648:ultrastructure*
chemical_list: D004259:DNA-Directed DNA Polymerase