title: On the presence of a dense internal region in the 50 S subparticle of E. coli ribosomes.
authors.affiliation: Institute of Protein Research, Academy of Sciences of the USSR, Pushtchino, Moscow Region, USSR
authors.forename: I N.
authors.initials: IN
authors.lastname: Serdyuk
authors.forename: N I.
authors.initials: NI
authors.lastname: Smirnov
authors.forename: O B.
authors.initials: OB
authors.lastname: Ptitsyn
authors.forename: B A.
authors.initials: BA
authors.lastname: Fedorov