TY - GEN AU - Daniel,Ray W AU - Rowson,Steven AU - Duma,Stefan M TI - Head impact exposure in youth football: middle school ages 12-14 years SN - 1528-8951 PY - 2015///0204 KW - Acceleration KW - Adolescent KW - Biomechanical Phenomena KW - Child KW - Football KW - Head KW - Head Protective Devices KW - Humans KW - Mechanical Phenomena KW - Young Adult N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1115/1.4027872 ER -