To GP or not to GP: a natural experiment in children triaged to see a GP in a tertiary paediatric emergency department (ED).

Objective: To evaluate the impact of integrating a general practitioner (GP) into a tertiary paediatric emergency department (ED) on admissions, waiting times and antibiotic prescriptions.

Design: Retrospective cohort study.

Setting: Alder Hey Children's NHS Foundation Trust, a tertiary paediatric hospital in Liverpool, UK.