Margaret A. Olsen

Adding flexible temporal constraints to identify chronic comorbid conditions in ambulatory claims data

Walton Sumner, Phillip V. Asaro, Michael D. Hagen, 2014, AMIA.

Burden of Clostridium difficile on the Healthcare System

Margaret A. Olsen, Erik R. Dubberke, M. Olsen, 2012, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Outcome and attributable cost of ventilator-associated pneumonia among intensive care unit patients in a suburban medical center*

Victoria J. Fraser, Margaret A. Olsen, C. Hollenbeak, 2003, Critical care medicine.

Can Additional Information Be Obtained from Claims Data to Support Surgical Site Infection Diagnosis Codes?

Victoria J. Fraser, Margaret A. Olsen, D. Warren, 2014, Infection Control & Hospital Epidemiology.