wbldb
Knowles, Sarah B.; Marshall, Stephen W.; Bowling, J. Michael; Loomis, Dana; Millikan, Robert; Yang, Jinzhen; Weaver, Nancy L.; Kalsbeek, William; Mueller, Frederick O.
A prospective study of injury incidence among North Carolina high school athletes
Am J Epidemiol. 2006;​164(12):​1209-1221