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    • Wu, Patrick; Gifford, Aliya; Meng, Xiangrui; Li, Xue; Campbell, Harry; Varley, Tim; Zhao, Jaun; Carroll, Robert; Bastarache, Lisa; Denny, Joshua C.; Theodoratou, Evropi; Wei, Wei-Qi (JMIR Medical Informatics, 2019)
      Background: The phecode system was built upon the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) for phenome-wide association studies (PheWAS) using the electronic health record ...
    • Wu, Patrick; 0000-0002-1437-6688 (2021-03-25)
      Department: Biomedical Informatics
      Beginning in the 2000s, electronic health record (EHR) systems have collected large amounts of clinical data. To leverage EHR data for drug studies, researchers have developed powerful computational methods. However, these ...