title: Central Service.
authors.affiliation: a Division of nursing , Walter Reed Army Institute of Research , Washington , D.C. , USA.
authors.forename: Glennadee A
authors.initials: GA
authors.lastname: Nichols
authors.affiliation: b Department of bacterial diseases, division of communicable disease and immunology , Walter Reed Army Institute of Research , USA.
authors.forename: Arthur S
authors.initials: AS
authors.lastname: Dobek