title: Characterization and quantification of microenvironmental contaminants in isolator cages with a variety of contact beddings.
authors.affiliation: Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge 02139, USA.
authors.forename: S E
authors.initials: SE
authors.lastname: Perkins
authors.forename: N S
authors.initials: NS
authors.lastname: Lipman