Origin of endogenous and exogenous agents in cell cultures.
D000818:Animals; D001435:Bacteriophages / Q000302:isolation & purification*; D001798:Blood Proteins; D002417:Cattle; D002460:Cell Line; D002478:Cells, Cultured / Q000382:microbiology*; D002642:Chick Embryo; D003470:Culture Media; D004372:Ducks; D000882:Haplorhini; D006801:Humans; D007668:Kidney; D008168:Lung / Q000196:embryology; D011817:Rabbits; D014613:Vaccines, Attenuated / Q000592:standards; D014765:Viral Vaccines / Q000592:standards; D014776:Virus Cultivation; D014780:Viruses / Q000302:isolation & purification*
D001798:Blood Proteins; D003470:Culture Media; D014613:Vaccines, Attenuated; D014765:Viral Vaccines