1972年8—11月,我们曾在西宁、海南两地区对藏、汉两个民族进行了血像正常值调查;调查过程中附带对1553名健康人进行了血型检查,其中藏族475人(男298人、女177人),汉族1078人(男689人,女389人);藏族均为世居青海高原者,而汉族则来自全国各地,对其原籍未作详细统计,现总结供参考。我们所用的标准“A”、“B”血清大部是上海生物制品研究所生产,其效价 From August to November 1972, we conducted a survey of normal blood values ​​of Tibetans and Han nationalities in Xining and Hainan provinces. In the course of the investigation, 1553 healthy people were examined for blood grouping, of which 475 were Tibetan 298 and 177), Han Chinese 1078 (689 males and 389 females); all Tibetans are native to the Qinghai-Tibet Plateau, while Han nationalities are from all over the country. We use the standard “A”, “B” most of the serum produced by the Shanghai Institute of Biological Products, the potency