title: When right is redundant.
authors.affiliation: Department of Medicine, The Johns Hopkins Hospital. Baltimore, MD. Electronic address: pterry@jhmi.edu.
authors.forename: Peter B
authors.initials: PB
authors.lastname: Terry
authors.affiliation: Department of Medicine, The Johns Hopkins Hospital. Baltimore, MD.
authors.forename: David B
authors.initials: DB
authors.lastname: Pearse
mesh_terms: D006801:Humans; D008168:Lung / Q000033:anatomy & histology*; D009626:Terminology as Topic