Further analysis of the detailed structure of type B and C particles.
D000818:Animals; D002478:Cells, Cultured; D005260:Female; D008324:Mammary Tumor Virus, Mouse / Q000032:analysis* / Q000254:growth & development; D051379:Mice; D008815:Mice, Inbred Strains; D008854:Microscopy, Electron; D011925:Rauscher Virus / Q000032:analysis