Babl, F E.(2014). A prospective observational study to assess the diagnostic accuracy of clinical decision rules for children presenting to emergency departments after head injuries (protocol): The Australasian Paediatric Head Injury Rules Study (APHIRST). BMC Pediatrics, 14(1),

Babl, Franz E. "A Prospective Observational Study to Assess the Diagnostic Accuracy of Clinical Decision Rules for Children Presenting to Emergency Departments After Head Injuries (protocol): The Australasian Paediatric Head Injury Rules Study (APHIRST)". BMC Pediatrics, 14.1 ( 2014 )