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Paramedic determinations of medical necessity: a meta-analysis.
Brown LH, Hubble MW, Cone DC, Millin MG, Schwartz B, Patterson PD, Greenberg B, Richards ME. Brown LH, et al. Among authors: hubble mw. Prehosp Emerg Care. 2009 Oct-Dec;13(4):516-27. doi: 10.1080/10903120903144809. Prehosp Emerg Care. 2009. PMID: 19731166 Review.
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