References
- Janda DH, Wojtys EM, Hankin FM, et al: A three-phase analysis of the prevention of recreational softball injuries. Am I Sports Med 1990;18(6):632–635
- Janda DH, Maguire R, Mackesy D, et al: Sliding injuries in college and professional baseball—a prospective study comparing standard and break-away bases. Clin J Sport Med 1993:3(2):78–81