SRIVASTAVA, Geetanjali; MUMAL NAGWANI; TEWARI, Vineeta; KHANDURI, Sachin; KUNWAR, Shipra; 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. Disponível em: https://nepjol.info./index.php/AJMS/article/view/41499. Acesso em: 27 apr. 2025.