[Objective]To study the regularity of distribution of single nucleotide polymorphism of calcitonin receptor(CTR) gene in Tibetan and the prevalence of CTR gene poly morphism and osteoporosis.

• [目的]了解降钙素受体(Calcitoninreceptor,CTR)基因单核苷酸多态性在藏族人中的分布规律及其与骨质疏松(Osteoporosis,OP)的相关性。