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Original research
Secular trends in early motor development between 1980 and 2010 in Japan

Authors

  1. Correspondence to Dr Keisuke Yoshii, Division of Endocrinology and Metabolism, National Center for Child Health and Development, Setagaya-ku, Tokyo 157-8535, Japan; yoshii-k{at}ncchd.go.jp
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Citation

Yoshii K, Michihata N, Hirasawa K, et al
Secular trends in early motor development between 1980 and 2010 in Japan
Archives of Disease in Childhood 2022;107:468-473.

Publication history

  • Received March 19, 2021
  • Accepted October 13, 2021
  • First published November 5, 2021.
Online issue publication 
September 12, 2022

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© Author(s) (or their employer(s)) 2022. No commercial re-use. See rights and permissions. Published by BMJ.