Manpower loss in football:​ a 12-year study at the Pennsylvania State University

Whiteside, James A.; Fleagle, Samuel B.; Kalenak, Alexander; Weller, Harry W.

Year	Entry
1996	Mueller F, Zemper ED, Peters A. American football. In: Caine DJ, Caine CG, Lindner KJ, eds. Epidemiology of Sports Injuries. Champaign, IL: Human Kinetics Publishing; 1996:41-62.
2003	Hagel BE, Fick GH, Meeuwisse WH. Injury risk in men's Canada West university football. Am J Epidemiol. 2003;157(9):825-833.
1989	Prager BI, Fitton WL, Cahill BR, Olson GH. High school football injuries: a prospective study and pitfalls of data collection. Am J Sports Med. 1989;17(5):681-685.
1992	Powell JW, Schootman M. A multivariate risk analysis of selected playing surfaces in the National Football League: 1980 to 1989. Am J Sports Med. 1992;20(6):686-694.
2002	Bradley JP, Klimkiewicz JJ, Rytel MJ, Powell JW. Anterior cruciate ligament injuries in the National Football League: epidemiology and current treatment trends among team physicians. Arthroscopy. May–June 2002;18(5):502-509.
1993	Karpakka J. American football injuries in Finland. Br J Sports Med. 1993;27(2):135-137.
1994	Meeuwisse WH. Development, Implementation and Validation of the Canadian Intercollegiate Sport Injury Registry [PhD thesis]. Calgary, AB: University of Calgary; May 1994.