Effects of ingestion of collagen peptide on collagen fibrils and glycosaminoglycans in Achilles tendon.
J. Minaguchi, Y. Koyama, Natsuko Meguri, Y. Hosaka, H. Ueda, M. Kusubata, A. Hirota, S. Irie, N. Mafune, K. Takehana
Journal of Nutritional Science and Vitaminology