RT Journal Article SR Electronic T1 Value of homogenous populations for gene identification in complex rheumatic diseases. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 971 OP 973 VO 32 IS 6 A1 Proton Rahman A1 Celia Greenwood YR 2005 UL http://www.jrheum.org/content/32/6/971.abstract AB