Hofbauer L C, Heufelder A E
Division of Gastroenterology, Endocrinology, and Metabolism, Zentrum für Innere Medizin, Philipps University, Marburg, Germany.
Arthritis Rheum. 2001 Feb;44(2):253-9. doi: 10.1002/1529-0131(200102)44:2<253::AID-ANR41>3.0.CO;2-S.