A day 1 hCG can differentiate non-viable intrauterine pregnancy and ectopic pregnancy following endometrial curettage . Annals of Medical Research, [S. l.], v. 27, n. 5, p. 1422–1427, 2021. Disponível em: http://annalsmedres.org/index.php/aomr/article/view/765. Acesso em: 3 apr. 2025.