title: A study on population development of the Yutu nationality in Gansu Province.
mesh_terms: D001208:Asia; D001723:Birth Rate; D002681:China; D003710:Demography; D003906:Developing Countries; D005006:Ethnicity; D005202:Asia, Eastern; D005298:Fertility; D011153:Population; D011154:Population Characteristics; D011155:Population Control; D011157:Population Dynamics; D011158:Population Growth; D011640:Public Policy; D017678:Sex Distribution; D012737:Sex Factors; D012744:Sex Ratio
keywords: Asia; Birth Rate; China; Demographic Factors; Developing Countries; Eastern Asia; Fertility; Fertility Measurements; Fertility Rate; Indigenous Population; Policy; Population; Population Characteristics; Population Control; Population Dynamics; Population Growth; Population Policy; Sex Distribution; Sex Factors; Sex Ratio; Social Policy