title: Drug interactions: a retrospective study of its epidemiology, clinical significance and influence upon hospitalization.
authors.forename: T C
authors.initials: TC
authors.lastname: Kwan
authors.forename: W W
authors.initials: WW
authors.lastname: Wahba
authors.forename: R A
authors.initials: RA
authors.lastname: Wildeman
mesh_terms: D002170:Canada; D004347:Drug Interactions; D006745:Hospital Bed Capacity, 300 to 499; D006801:Humans; D007902:Length of Stay / Q000191:economics*; D009864:Ontario; D010607:Pharmacy Service, Hospital / Q000191:economics*; D012189:Retrospective Studies