Rates of emergency department visits due to pneumonia in the United States, July 2006-June 2009.
Self WH; Grijalva CG; Zhu Y; McNaughton CD; Barrett TW; Collins SP; Storrow AB; Griffin MR; Academic Emergency Medicine: Official Journal Of The Society For Academic Emergency Medicine, 2013, vol. 20, issue 9, p 957, ISSN 15532712. ISBN 15532712.
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