KITTIPIBUL, V. Outcome of First-Trimester Threatened Abortion with Slow Embryonic/Fetal Heart Rate Fewer Than 120 Beats/minute at Maharat Nakhon Ratchasima Hospital. Maharat Nakhon Ratchasima Hospital Journal, Nakhon Ratchasima,Thailand, v. 32, n. 2, p. S71-S77, 2024. Disponível em: https://he04.tci-thaijo.org/index.php/MNRHJ/article/view/1921. Acesso em: 3 apr. 2025.