- Dr M Bijl, Department of Internal Medicine, Division of Clinical Immunology, University Hospital, PO Box 30.001, 9700 RB Groningen, The Netherlands
- Accepted 27 September 2000
- Published online 1 May 2001.
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.