Magnusson, S., Simonsen, E., Aagaard, P., Gleim, G., McHugh, M., & Kjær, M. (1995). Viscoelastic response to repeated static stretching in the human hamstring muscle. Scandinavian journal of medicine & science in sports, 5(6), S. 342-347. doi:10.1111/j.1600-0838.1995.tb00056.x

Magnusson, S.P., E.B Simonsen, P. Aagaard, G.W Gleim, M.P McHugh, and Michael Kjær. "Viscoelastic Response to Repeated Static Stretching in the Human Hamstring Muscle." Scandinavian Journal of Medicine & Science in Sports 5, no. 6 (1995): S. 342-347.

Magnusson, S.P., et al. "Viscoelastic Response to Repeated Static Stretching in the Human Hamstring Muscle." Scandinavian Journal of Medicine & Science in Sports 5.6 (1995): S. 342-347.