B. Marti, M. Knobloch, A. Tschopp, A. Jucker, H. Howald
Marti B, Knobloch M, Tschopp A, Jucker A, Howald H.
Is excessive running predictive of degenerative hip disease? Controlled study of former elite athletes.
British Medical Journal 1989; 299 :91
doi:10.1136/bmj.299.6691.91