Comparative Study

Accuracy of MRI compared with ultrasound imaging and selective use of CT to discriminate simple from perforated appendicitis.

Br J Surg. 2014 Jan 1;101(1):e147-55.
Observational Study

The Effect of Point-of-care Ultrasonography on Emergency Department Length of Stay and Computed Tomography Utilization in Children With Suspected Appendicitis.

Acad Emerg Med. 2014 Feb 1;21(2):163-70.
Comparative Study

Managing radiation exposure in children--reexamining the role of ultrasound in the diagnosis of appendicitis.

J. Pediatr. Surg. 2012 Dec 1;47(12):2268-72.