title: Safety in numbers: the value of counting adverse events.
authors.forename: Kendall K
authors.initials: KK
authors.lastname: Hall
authors.forename: Yan
authors.initials: Y
authors.lastname: Xiao
mesh_terms: D016907:Adverse Drug Reaction Reporting Systems / Q000458:organization & administration*; D003428:Cross Infection / Q000453:epidemiology / Q000209:etiology*; D003625:Data Collection; D017052:Hospital Mortality; D006801:Humans; D012449:Safety; D018571:Sentinel Surveillance