Polymorphism within the tumour necrosis factor receptor (TNFR) genes is not linked to or associated with rheumatoid arthritis (RA)
Journal article published in 1999 by
A. Barton 
,
S. John,
S. Eyre,
A. Myerscough,
W. E. R. Ollier,
J. Worthington
,
S. John,
S. Eyre,
A. Myerscough,
W. E. R. Ollier,
J. Worthington
