P David Halstead

An investigation of the NOCSAE linear impactor test method based on in vivo measures of head impact acceleration in American football.

Joseph J Crisco, Joseph T. Gwin, Richard M Greenwald, 2010, Journal of biomechanical engineering.

Concussion in Professional Football: Helmet Testing to Assess Impact Performance-Part 11.

David C Viano, Chris Withnall, P David Halstead, 2006, Neurosurgery.

Concussion in Professional Football: Helmet Testing to Assess Impact Performance—Part 11

David C Viano, Chris Withnall, P David Halstead, 2006, Neurosurgery.

Measurement of impact acceleration: mouthpiece accelerometer versus helmet accelerometer.

Lynn Snyder-Mackler, P David Halstead, Michael Higgins, 2007, Journal of athletic training.