Clinical Policy: Critical Issues in the Initial Evaluation and Management of Patients Presenting to the Emergency Department in Early Pregnancy.
Hahn, Sigrid A. MD; Lavonas, Eric J. MD; Mace, Sharon E. MD; Napoli, Anthony M. MD; Fesmire, Francis M. MD
Annals of Emergency Medicine.
60(3):381-390e28, September 2012.
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