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Eller, D.J., D.S Katz, A.G Bergman, M. Fredericson, and C.F Beaulieu. "Sacral Stress Fractures in Long-distance Runners." Clinical Journal of Sport Medicine 7, no. 3 (1997): S. 222-225.

Eller, D.J., et al. "Sacral Stress Fractures in Long-distance Runners." Clinical Journal of Sport Medicine 7.3 (1997): S. 222-225.