Potential selection bias when subjects were excluded because of missing values.

Am J Emerg Med

Nemours Alfred I. duPont Hospital for Children, Attn: Emergency Medicine, 1600 Rockland Rd., Wilmington, DE 19803, USA.

Published: March 2020

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http://dx.doi.org/10.1016/j.ajem.2019.12.001DOI Listing

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