title: Detection of defective (T-antigen inducing, but noninfectious) particles in preparations of SV40 virus.
authors.affiliation: L.A. Tarassevich State Control Institute for Medical Biological Preparations Moscow, USSR.
authors.forename: A D
authors.initials: AD
authors.lastname: Altstein
authors.forename: O F
authors.initials: OF
authors.lastname: Sarycheva
authors.forename: N N
authors.initials: NN
authors.lastname: Dodonova