title: [The unacceptable inconstancy of data].
authors.forename: F
authors.initials: F
authors.lastname: Cortes
mesh_terms: D003710:Demography; D004641:Emigration and Immigration; D011153:Population; D011157:Population Dynamics; D015203:Reproducibility of Results; D012106:Research; D012107:Research Design; D012922:Social Change; D012942:Social Sciences; D013223:Statistics as Topic
keywords: Data Analysis; Demographic Factors; Demography; Error Sources; Historical Survey; Measurement; Migration; Modernization; Population; Population Dynamics; Population Theory; Reliability; Research Methodology; Social Change; Social Sciences