International trends in health science librarianship: Part 2--Northern Europe.

This is the third in a series of articles exploring international trends in health science librarianship in the first decade of the 21st century. The invited authors were asked to reflect on developments in their country--viz. Austria, Belgium, France and the Netherlands.

OARSI-OMERACT definition of relevant radiological progression in hip/knee osteoarthritis.

Background: Joint space width (JSW) evaluated in millimeters on plain X-rays is the currently optimal recognized technique to evaluate osteoarthritis (OA) structural progression. Data obtained can be presented at the group level (e.g.