Softball injuries: cost, cause and prevention.
D016512:Ankle Injuries; D001265:Athletic Injuries / Q000191:economics / Q000209:etiology* / Q000517:prevention & control; D001484:Baseball; D050723:Fractures, Bone / Q000191:economics / Q000209:etiology; D006801:Humans; D008824:Michigan; D012189:Retrospective Studies; D013177:Sports; D013180:Sprains and Strains / Q000191:economics / Q000209:etiology