title: Fluctuations in levels of certain demographic indicators by raions of an oblast.
mesh_terms: D000028:Abortion, Induced; D017677:Age Distribution; D001723:Birth Rate; D003710:Demography; D019049:Developed Countries; D004243:Divorce; D005843:Geography; D008393:Marriage; D011153:Population; D011157:Population Dynamics; D017678:Sex Distribution; D014586:USSR
keywords: Abortion Rate; Age Distribution; Demographic Factors; Developed Countries; Divorce; Fertility Rate; Geographic Factors; Marriage Patterns; Population; Population Dynamics; Sex Distribution; Ussr