SRIVASTAVA, G.; MUMAL NAGWANI; TEWARI, V. .; KHANDURI, S. .; KUNWAR, S.; PRINCE KAPOOR. An ultrasonographic study to evaluate the correlation of calcified yolk sac with spontaneous abortion. Asian Journal of Medical Sciences, [S. l.], v. 13, n. 4, p. 182–186, 2022. DOI: 10.3126/ajms.v13i4.41499. Disponível em: https://nepjol.info/index.php/AJMS/article/view/41499. Acesso em: 17 jul. 2024.