Teemu K. Långsjö

Subchondral Bone Reaction Associated with Chondral Defect and Attempted Cartilage Repair in Goats

M. Hyttinen, I. Kiviranta, M. Kellomäki, 2003, Calcified Tissue International.

Articular cartilage superficial zone collagen birefringence reduced and cartilage thickness increased before surface fibrillation in experimental osteoarthritis

Alpo Pelttari, Heikki J Helminen, J. Arokoski, 1998, Annals of the rheumatic diseases.

Collagenase-Induced Changes in Articular Cartilage as Detected by Electron-Microscopic Stereology, Quantitative Polarized Light Microscopy and Biochemical Assays

H. Helminen, N. Oksala, V. Kovanen, 2002, Cells Tissues Organs.

Electron microscopic stereological study of collagen fibrils in bovine articular cartilage: volume and surface densities are best obtained indirectly (from length densities and diameters) using isotropic uniform random sampling

J. Arokoski, M. Hyttinen, H. Helminen, 1999, Journal of anatomy.