title: A study of cross-coverage calls.
authors.forename: B
authors.initials: B
authors.lastname: Ramratnam
authors.forename: A
authors.initials: A
authors.lastname: Gollerkeri
authors.forename: P
authors.initials: P
authors.lastname: Martens
authors.forename: F J
authors.initials: FJ
authors.lastname: Schiffman
authors.forename: J
authors.initials: J
authors.lastname: Parameswaran
mesh_terms: D006784:Hospitals, Teaching; D006801:Humans; D007388:Internal Medicine / Q000193:education; D007396:Internship and Residency / Q000458:organization & administration*; D009738:Nursing Service, Hospital / Q000458:organization & administration