title: Evidence for semiconservative replication of circular polyoma DNA.
mesh_terms: D001973:Bromodeoxyuridine / Q000378:metabolism; D046508:Culture Techniques; D004279:DNA, Viral / Q000096:biosynthesis* / Q000378:metabolism*; D011120:Polyomavirus; D013936:Thymidine / Q000378:metabolism; D014461:Ultracentrifugation
chemical_list: D004279:DNA, Viral; D001973:Bromodeoxyuridine; D013936:Thymidine