[Studies on differences of sex ratio and birth order between siblings of parents and children]

Nihon Eiseigaku Zasshi. 1971 Aug;26(3):315-20. doi: 10.1265/jjh.26.315.
[Article in Japanese]
No abstract available

MeSH terms

  • Birth Order*
  • Birth Rate
  • Female
  • Humans
  • Japan
  • Male
  • Sex Ratio*