1.
Srisomboon J, Tongsong T. Pregnancy Outcome in Ederly Women Aged 35 Years or Older. Thai J Obstet Gynaecol [internet]. 1994 Jul. 1 [cited 2026 Sep. 28];6(2):121-7. available from: https://he02.tci-thaijo.org/index.php/tjog/article/view/257782