Padded Helmet Shell Covers in American Football: A Comprehensive Laboratory Evaluation with Preliminary On-Field Findings
NFL looking to introduce new football helmets - Dawgs By Nature
Impact test comparisons of 20th and 21st century American football helmets in: Journal of Neurosurgery Volume 116 Issue 1 (2012) Journals
Design and Virtual Testing of American Football Helmets–A Review
Padded helmet cover shows little protection for football players - Scope
Protective headgear for sports - ScienceDirect
PDF] The relationship between brain injury criteria and brain strain across different types of head impacts can be different
Padded Helmet Shell Covers in American Football: A Comprehensive Laboratory Evaluation with Preliminary On-Field Findings
PDF) Preliminary Examination of Guardian Cap Head Impact Data Using Instrumented Mouthguards
Padded Helmet Shell Covers in American Football: A Comprehensive Laboratory Evaluation with Preliminary On-Field Findings