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Secular Trend of Timing of Puberty
2005During the last decades, a secular trend of growth and timing of puberty occurred consisting of increased adult height and earlier onset of puberty. In The Netherlands although the most recent survey showed an increase of final height again, the timing of puberty onset appears to level off, and in boys pubertal onset was even slightly retarded ...
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The Review of Economics and Statistics, 1934
THIS article will treat the logical problem of the significance of trend-cycle separation in the analysis of time series, and also the related practical problem of choosing the best secular trend representation for a particular economic series. The article will begin with a discussion of the various points of view which have been held regarding the ...
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THIS article will treat the logical problem of the significance of trend-cycle separation in the analysis of time series, and also the related practical problem of choosing the best secular trend representation for a particular economic series. The article will begin with a discussion of the various points of view which have been held regarding the ...
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Minerva pediatrica, 2003
The aim of our study was to evaluate the age of the onset of pubertal characteristics in a population of Northern Italy and to compare our data with the pubertal staging scale defined by Tanner in 1976. These observations may help us to verify if even in Italy there is a positive secular change in sexual maturation, as has been observed in many ...
BONA, Gianni +2 more
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The aim of our study was to evaluate the age of the onset of pubertal characteristics in a population of Northern Italy and to compare our data with the pubertal staging scale defined by Tanner in 1976. These observations may help us to verify if even in Italy there is a positive secular change in sexual maturation, as has been observed in many ...
BONA, Gianni +2 more
openaire +1 more source
The secular trend of intelligence test scores in the present century: The Danish experience
Intelligence, 2021Emilie Rune Hegelund, Thomas W Teasdale
exaly
Secular Trends in Coronary Atherosclerosis
New England Journal of Medicine, 1997P, Ruygrok, V, Umans
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A persisting secular trend for body measurements in Dutch children. The Oosterwolde 11 study
Acta Paediatrica, International Journal of Paediatrics, 1994W J M Gerver, R De Bruin, N M Drayer
exaly