Power play.
Feldman
M K
MK
D000293:Adolescent; D001265:Athletic Injuries / Q000517:prevention & control / Q000523:psychology; D002648:Child; D002675:Child, Preschool; D003163:Competitive Behavior; D005260:Female; D006688:Hockey / Q000293:injuries / Q000523:psychology; D006801:Humans; D008297:Male; D008910:Minnesota; D013177:Sports / Q000523:psychology*; D013315:Stress, Psychological / Q000150:complications*