Serum β-hCG Trends and Their Clinical Significance in Persistent Gestational Trophoblastic Neoplasia. The Planet, [S. l.], v. 9, n. 04, p. 156–161, 2026. DOI: 10.5281/zenodo.20760783. Disponível em: https://bdjournals.org/planet/article/view/1285. Acesso em: 25 jun. 2026.