RT Journal Article SR Electronic T1 Haptoglobin genotype as a risk factor for postmenopausal osteoporosis JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 636 OP 638 DO 10.1136/jmg.38.9.636 VO 38 IS 9 A1 Gian Piero Pescarmona A1 Patrizia D'Amelio A1 Emanuella Morra A1 Gian Carlo Isaia YR 2001 UL http://jmg.bmj.com/content/38/9/636.abstract AB