Validation and Comparison of Pediatric Appendicitis Scores and Management Strategies (Project SPASMS): Protocol for a Prospective Multicenter Observational Study

W. H. Lee, S. O'Brien, E. J. McKinnon, S. Craig, S. Dalziel, M. Collin, N. Phillips, F. E. Babl, S. J. Davidson, S. George, S. Jani, D. Tham, V. Tran and M. L. Borland