[Correlation of hereditary and environmental effects on external respiratory function and its changes during aging in twins].

Abstract excerpt

The genetic-statistical analysis of 11 variables of the external respiration has been made in 90 twin pairs of the same sex divided into two age groups: 20-44 and 45-80 years. The following classification of indices of the lung ventilation function can be suggested: with high hereditary coefficients that remain unchanged with age, with low coefficients gamma 2 that are the same in both age groups, with increasing...

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