There are few standards of physical measurements available for pre-school children in the British Isles. Gore and Within each age-group sample there were differences of weeks or months between ages of individual children. The most recent publication of cross-sectional data in this age period was from the Oxford Child Health Survey in 1955 (Acheson, This was a longitudinal study, but no incremental data were given. The late Professor So far as is known these are the only longitudinal data in this age period in the United Kingdom published up till now.
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F. Falkner (1958) studied this question.
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