Hatemi Gulen, Masatlioglu Seval, Gogus Feride, Ozdogan Huri
Division of Rheumatology, Department of Internal Medicine, Cerrahpasa Medical School, Istanbul University, Istanbul, Turkey.
Am J Med. 2004 Oct 1;117(7):516-9. doi: 10.1016/j.amjmed.2004.02.050.