Osteoporotic fractures are associated with an 86-base pair repeat polymorphism in the interleukin-1-receptor antagonist gene but not with polymorphisms in the interleukin-1beta gene. - Langdahl,B.L.; Lokke,E.; Carstens,M.; Stenkjaer,L.L.; Eriksen,E.F. (J Bone Miner Res, 2000)