Open Access Highly Accessed Open Badges Research article

Increased physical activity severely induces osteoarthritic changes in knee joints with papain induced sulfate-glycosaminoglycan depleted cartilage

Michiel Siebelt*, Harald C Groen, Stuart J Koelewijn, Erik de Blois, Marjan Sandker, Jan H Waarsing, Cristina Müller, Gerjo JVM van Osch, Marion de Jong and Harrie Weinans

Arthritis Research & Therapy 2014, 16:R32  doi:10.1186/ar4461

Article Metrics

Total accesses

Article metric FAQ


  • Last 30 days: 107 accesses
  • Last 365 days: 1658 accesses
  • All time: 3913 accesses

These numbers are accesses on BioMed Central websites only, and an underestimate of total usage. More information

Open Badges