Effect of hot environmental conditions on physical activity patterns and temperature response of football players. - Ozgünen,KT.; Kurdak,SS.; Maughan,RJ.; Zeren,C.; Korkmaz,S.; Yazici,Z.; Ersöz,G.; Shirreffs,SM.; Binnet,MS.; Dvorak,J. (Scand J Med Sci Sports, 2010)