title: Retrieving "old"- and "new"-information!
authors.affiliation: Washington Poison Center, Seattle 98125, USA. mryuk@u.washington.edu
authors.forename: William O
authors.initials: WO
authors.lastname: Robertson
mesh_terms: D006801:Humans; D007256:Information Systems / Q000458:organization & administration*; D016239:MEDLINE; D013997:Time Factors