Ralston, S.H.

bone density density bone mineral density genotype women fracture colia 1 genotype colia ss group group mineral femoral neck study percent allele difference ss genotype osteoporosis polymorphism incident nonvertebral fractures copyright 1998 massachusetts effect spine analysis femoral colia 1 polymorphism osteoporotic bone mass weight subject 1778 postmenopausal women association genotype groups value postmenopausal colia 1 mutation miner factor colia 1 gene r e l peak bone density erasmu table collagen i t y osteoporotic fractures osteoporotic fracture 80 years body weight receptor postmenopausal women incident bone-density values nonvertebral rotterdam estrogen region 0.01 change society massachusett 1 gene van daele pla www.nejm.org universiteit interval age group lumbar-spine bone density 2 percent netherland december johnston cc jr distribution intake sample biblio odds ratios femoral-neck bone density rotterdam study