Association of oestrogen receptor gene polymorphisms with age at onset of rheumatoid arthritis
Toshio Ushiyama, Kanji Mori, Koji Inoue, Jie Huang, Junichi Nishioka, Sinsuke Hukuda
Annals of the Rheumatic Diseases Jan 1999, 58 (1) 7-10; DOI: 10.1136/ard.58.1.7
