2 . Deng HW,Livshits G,Yakovenko K,et al . Evi dence for a major gene for bone mineral density/con tent in human pedigrees identified via probands with extreme bone mineral density . Ann Hum Genet,2002,66(pt1)∶ 61‐74.7 . Maayan C,Bar‐On E,Foldes AJ,et al ......