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Use of the i2b2 research query tool to conduct a matched case-control clinical research study: advantages,

Emilie K Johnson1, Sarabeth Broder-Fingert, Pornthep Tanpowpong

  • 1Department of Urology, Boston Children's Hospital, 300 Longwood Ave, HU 3rd Floor, Boston, MA 02115, USA. emilie.johnson@childrens.harvard.edu.

BMC Medical Research Methodology
|February 1, 2014
PubMed
Abstract

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