Laksanavilai, Uraiwan, and Chaisit Sritongchai. 2017. “Hypertensive disorders and obstetric complications in women aged 35 or older at Chonburi Hospital”. Thai Journal of Obstetrics and Gynaecology 16 (1). Bangkok, Thailand:13-20. https://he02.tci-thaijo.org/index.php/tjog/article/view/82302.