title: An apparatus for permitting control of the atmosphere in roller tube cultures.
authors.forename: G H
authors.initials: GH
authors.lastname: PAFF
authors.forename: G S
authors.initials: GS
authors.lastname: SAMUELSEN
mesh_terms: D000818:Animals; D001272:Atmosphere; D001432:Bacteriology / Q000295:instrumentation*; D001717:Birds; D008004:Licensure