TONGSONG, T.; WANAPIRAK, C.; YAMPOCHAI, A. Ultrasonic Measurements of Fetal Biparietal Diameter in Normal Pregnant Northern Thai Women . Thai Journal of Obstetrics and Gynaecology, Bangkok, Thailand, v. 2, n. 2, p. 73–79, 1990. Disponível em: https://he02.tci-thaijo.org/index.php/tjog/article/view/257885. Acesso em: 2 oct. 2026.