[Sampling problems in the population census of 1990].
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D019352:Censuses; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D006287:Health Planning Guidelines; D006814:Hungary; D011154:Population Characteristics; D012106:Research; D012107:Research Design; D012494:Sampling Studies; D015983:Selection Bias
Census; Census Methods; Developed Countries; Eastern Europe; Error Sources; Europe; Hungary; Measurement; Population Statistics; Recommendations; Research Methodology; Sampling Errors; Sampling Studies; Studies