title: Tumor production in vivo and cell transformation in vitro by two SV20 strains.
mesh_terms: D000818:Animals; D003168:Complement Fixation Tests; D006224:Cricetinae; D005455:Fluorescent Antibody Technique; D009369:Neoplasms / Q000382:microbiology* / Q000473:pathology; D009500:Neutralization Tests; D013539:Simian virus 40 / Q000276:immunology