SUNTHARASAJ, T.; SINPISUT , P. Are there any changes in twin deliveries at Songklanagarind Hospital during different periods of time?. Thai Journal of Obstetrics and Gynaecology, Bangkok, Thailand, v. 11, n. 3, p. 149–153, 1999. Disponível em: https://he02.tci-thaijo.org/index.php/tjog/article/view/257132. Acesso em: 1 oct. 2026.