Derivation of a clinical guideline for the assessment of nonspecific abdominal pain: the Guideline for Abdominal Pain in the ED Setting (GAPEDS) Phase 1 Study [white star].
Gerhardt, Robert T. MD, MPH, FACEP a,c,*; Nelson, Brian K. MD, MS c; Keenan, Sean MD a; Kernan, Leah RN, MSN a; MacKersie, Andrew MD b; Lane, Michael S. MD b
American Journal of Emergency Medicine.
23(6):709-717, October 2005.
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