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	1.	Emergency department physician-level and hospital-level variation in admission rates. MedStar authors: Frohna, William J PMID: 23415741 Citation: Annals of Emergency Medicine. 61(6):638-43, 2013 Jun. Institution: MedStar Washington Hospital Center Department: Emergency Medicine Medline publication type: Journal Article Form of publication: Journal Article All authors: Abualenain J, Ding R, Frohna WJ, Pines JM, Shesser R, Smith M DOI: http://dx.doi.org/10.1016/j.annemergmed.2013.01.016 Add to cart (remove)
	2.	Emergency department variation in utilization and diagnostic yield of advanced radiography in diagnosis of pulmonary embolus. MedStar authors: Frohna, William J Maloy, Kevin Milzman, David PMID: 24636611 Citation: Journal of Emergency Medicine. 46(6):791-9, 2014 Jun. Institution: MedStar Washington Hospital Center Department: Emergency Medicine Medline publication type: Journal Article Form of publication: Journal Article All authors: Ding R, Frohna WJ, Hansen J, Kindermann DR, Maloy K, McCarthy ML, Milzman DP, Pines JM DOI: http://dx.doi.org/10.1016/j.jemermed.2013.12.002 Add to cart (remove)

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