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. 1968:187:9-27.
doi: 10.1111/j.1651-2227.1968.tb06039.x.

The development of children in a Swedish urban community. A prospective longitudinal study. I. Introduction, design and aims of the study. Description of the sample

The development of children in a Swedish urban community. A prospective longitudinal study. I. Introduction, design and aims of the study. Description of the sample

P Karlberg et al. Acta Paediatr Scand Suppl. 1968.
No abstract available

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