Production of Plaques in Monolayer Tissue Cultures by Single Particles of an Animal VirusReproduced from Proc. Natl Acad. Sci 38, 747-752 (1952) with kind permission of Proceedings of the National Academy of Sciences, USA.
Emery
VC
Royal Free Hospital School of Medicine, Rowland Hill Street, London NW3 2QG, UK.