Development of a Coronavirus Disease 2019 (COVID-19) Application Ontology for the Accrual to Clinical Trials (ACT) network.
International Analysis of Electronic Health Records of Children and Youth Hospitalized With COVID-19 Infection in 6 Countries.
Validation of an internationally derived patient severity phenotype to support COVID-19 analytics from electronic health record data.
ATLAS: an automated association test using probabilistically linked health records with application to genetic studies.
International Changes in COVID-19 Clinical Trajectories Across 315 Hospitals and 6 Countries: Retrospective Cohort Study.
