title: Further developments in the quantification of small RNA viruses by U.V. photometry of sucrose density gradients.
mesh_terms: D000818:Animals; D005537:Aphthovirus / Q000302:isolation & purification; D001681:Biological Assay; D002460:Cell Line; D002499:Centrifugation, Density Gradient / Q000379:methods; D006224:Cricetinae; D004770:Enterovirus / Q000302:isolation & purification; D007668:Kidney; D012328:RNA Viruses / Q000302:isolation & purification*; D013056:Spectrophotometry, Ultraviolet; D013552:Swine; D013555:Swine Vesicular Disease / Q000382:microbiology