Fig. 5From: Effects of focal metallic implants on opposing cartilage – an in-vitro study with an abrasion test machineHistologic picture of a specimen tested for 6 h in hyaluronic acid (Viscoseal Syringe, TRB Chemedica AG, Haar/Germany with a defect of the upper 25% of the transitional and radial zone (grade 2) (asterix). (Giemsa 5x)Back to article page