1. Sports accidents among children and teenagers;Jacobsson, B.;Scand J Sports Sci,1986
2. Athletic injuries: comparison by age, sport, and gender;DeHaven, K.E.; Lintner, D.M.;Am J Sports Med,1986
3. Sports injuries in elderly athletes: a three year prospective, controlled study;S, Kannus P.Niittymaki; M, Jarvinen; M, Lehto;Age Ageing,1989
4. The aging athlete;Menard, D.; Stanish, W.D.;Am J Sports Med,1989
5. Anaerobic threshold, skeletal muscle enzymes and fiber composition in young cross country skiers;Rusko, H.; Karvinen, Rahkila P.; E.;Acta Physiol Scand,1980