Arokoski, J., Jurvelin, J., Kiviranta, I., Tammi, M., & Helminen, J. (1994). Softening of the lateral condyle articular cartilage in the canine knee joint after long distance (up to 40 km/day) running training lasting one year. International journal of sports medicine, 15(5), S. 254-260. doi:10.1055/s-2007-1021056

Arokoski, J., J. Jurvelin, I. Kiviranta, M. Tammi, and J.H Helminen. "Softening of the Lateral Condyle Articular Cartilage in the Canine Knee Joint After Long Distance (up to 40 Km/day) Running Training Lasting One Year." International Journal of Sports Medicine 15, no. 5 (1994): S. 254-260.

Arokoski, J., et al. "Softening of the Lateral Condyle Articular Cartilage in the Canine Knee Joint After Long Distance (up to 40 Km/day) Running Training Lasting One Year." International Journal of Sports Medicine 15.5 (1994): S. 254-260.