title: The composition of a population of vaccinia virions.
mesh_terms: D002021:Buffers; D002247:Carbon Isotopes; D002501:Centrifugation, Zonal; D002794:Choline / Q000378:metabolism; D004279:DNA, Viral / Q000032:analysis; D007739:L Cells; D010710:Phosphates; D012965:Sodium Chloride; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014616:Vaccinia virus / Q000032:analysis*
chemical_list: D002021:Buffers; D002247:Carbon Isotopes; D004279:DNA, Viral; D010710:Phosphates; D014316:Tritium; D012965:Sodium Chloride; D002794:Choline; D013936:Thymidine