1.
Pestana Sierra C, Pérez-Velilla MA, Samudio-Domínguez GC. Anembryonic pregnancy. Presentation of case with spontaneous expulsion of empty egg. Mem. Inst. Investig. Cienc. Salud [Internet]. 2024 Sept. 30 [cited 2026 Nov. 8];22(1). Available from: https://revistascientificas.una.py/index.php/RIIC/article/view/3823