1) Collins CL, Comstock RD: Epidemiological features of high school baseball injuries in the United States, 2005-2007. Pediatrics. 2008; 121(6): 1181-1187.
2) Shanley E, Rauh MJ, et al.: Incidence of injuries in high school softball and baseball players. J Athl Train. 2011; 46(6): 648-654.