- Dr H Bootsma, Department of Internal Medicine, Division of Rheumatology T3.250, University Hospital Groningen, PO Box 30.001, 9700 RB Groningen, the Netherlands.
- Accepted September 2, 1997
- First published November 1, 1997.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.