Abhyankar S, Demner-Fushman D, Callaghan FM, McDonald CJ.Combining structured and unstructured data to identify a cohort of ICU patients who received dialysis. J Am Med Inform Assoc. 2014 Sep-Oct;21(5):801-7. doi: 10.1136/amiajnl-2013-001915. Epub 2014 Jan 2.
Abhyankar S, Leishear K, Callaghan FM, Demner-Fushman D, McDonald CJ.Lower short- and long-term mortality associated with overweight and obesity in a large cohort study of adult intensive care unit patients. Crit Care. 2012 Dec 18;16(6):R235. doi: 10.1186/cc11903.
Abhyankar S, Callaghan FM, Demner-Fushman D, McDonald CJ.Using informatics tools to study obesity and outcomes after critical illness. NLM Informatics Training Conference 2011, National Institutes of Health (NIH) Campus, Natcher Conference Center, Bethesda, MD, June 28-30, 2011.
Callaghan F, Jackson MT, Demner-Fushman D, Abhyankar S, McDonald C.Analysis of data that has been extracted from free-text using natural language processing: a likelihood model for misclassification with an application to medical informatics. International Conference on Advances in Interdisciplinary Statistics and Combinatorics (AISC2012), Greensboro, NC, October 2012
Callaghan F, Jackson MT, Demner-Fushman D, Abhyankar S, McDonald CJ.NLP-derived information improves the estimates of risk of disease compared to estimates based on manually extracted data alone. 5th International Symposium on Semantic Mining in Biomedicine (SMBM 2012), 2012 Sept 3-4, Zurich, Switzerland.
Chen Y, Gu H, Perl Y, Halper M, Xu J.Expanding the extent of a UMLS semantic type via group neighborhood auditing. J Am Med Inform Assoc. 2009 Sep-Oct;16(5):746-57. doi: 10.1197/jamia.M2951. Epub 2009 Jun 30.
Driessen J, Baik SH, Zhang Y.Trends in Off-Label Use of Second-Generation Antipsychotics in the Medicare Population From 2006 to 2012. Psychiatr Serv. 2016 Aug 1;67(8):898-903. doi: 10.1176/appi.ps.201500316. Epub 2016 Apr 15.
Fung K, Kayaalp M, Callaghan FM, McDonald CJ.Comparison of electronic pharmacy prescription records with manually collected medication histories in an emergency department. Ann Emerg Med. 2013 Sep;62(3):205-11. doi: 10.1016/j.annemergmed.2013.04.014. Epub 2013 May 18.