1. The medical aspects of soccer injury epidemiology;Keller, C.S.; Noyes, F.R.; Buncher, C.R.;Am J Sports Med,1987
2. Medical Dissertations No;Soccer, Ekstrand J.; their Prevention,1982
3. Football injuries in Oslo: a one-year study;Maehlum, S.; Daljord, O.A.;Br I Sports Med,1984
4. Statistical Methods in Cancer Research. Vol. II: The Design and Analysis of Cohort Studies;Breslow, N.E.; Day, N.E.,1987
5. Soccer injuries in Saudi Arabia;Sadat-Ali, M.; Sankaran-Kutty, M.;Am I Sports Med,1987