title: Titrations of viruses on cell cultures. Pharmacology or single particle hypothesis.
mesh_terms: D000818:Animals; D005537:Aphthovirus / Q000302:isolation & purification*; D002478:Cells, Cultured / Q000382:microbiology*; D003588:Cytopathogenic Effect, Viral; D000882:Haplorhini; D007668:Kidney; D017955:Poliovirus / Q000302:isolation & purification*; D013552:Swine; D014776:Virus Cultivation