Bone turnover following high-impact exercise is not modulated by collagen supplementation in young men: A randomized cross-over trial
Luuk Hilkens; M Boerboom; N. van Schijndel; J Bons; L.J.C. van Loon; Jan-Willem van Dijk
Low Bone Mineral Density and Associated Risk Factors in Elite Cyclists at Different Stages of a Professional Cycling Career
Luuk Hilkens; N van Schijndel; Vera Weijer; M Boerboom; E van der Burg; V. Peters; R. Kempers; J Bons; L.J.C. van Loon; Jan-Willem van Dijk