LESZCZYNSKA-WIERZBA, Agata et al. Fetus-in-Fetu: A PRISMA-Informed Narrative Review With an Illustrative Prenatal Case. Journal of Clinical Medicine Research, Toronto, Canada, v. 186, n. 6, p. 353–368, 2026. DOI: 10.14740/jocmr6423. Disponível em: https://jocmr.elmerjournals.com/jocmr/article/view/6423.. Acesso em: 30 jun. 2026.