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Guardian Caps Guardian Sports
Yuzhe LIU, Postdoc, Stanford University, CA, SU
Padded Helmet Shell Covers in American Football: A Comprehensive Laboratory Evaluation with Preliminary On-Field Findings
PDF) Investigation of linear impact energy management and product claims of a novel American football helmet liner component
Composite peak linear accelerations of each headgear compared to
PDF) Preliminary Examination of Guardian Cap Head Impact Data Using Instrumented Mouthguards
Review: a developmental perspective on protective helmets
Age of first exposure to American football and long-term
2019 Helmet Laboratory Testing Performance Results