Piamsomboon, Surintip, and Roungsin Chaovaratana. 1994. “Normal Pregnancy Associated with Hyperreactio Luteinalis (H.L.) : A Case Report”. Thai Journal of Obstetrics and Gynaecology 6 (2). Bangkok, Thailand:117-20. https://he02.tci-thaijo.org/index.php/tjog/article/view/257781.