title: The estimation of crude death rate when the data affected by different under-registration.
mesh_terms: D003625:Data Collection; D003710:Demography; D007493:Iraq; D009026:Mortality; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D012106:Research; D014798:Vital Statistics
keywords: Data Collection; Demographic Factors; Iraq; Mortality; Population; Population Dynamics; Population Statistics; Research Methodology; Vital Statistics