Holoprosencephaly in identical twin neonates: An extremely rare case report. NIGERIAN JOURNAL OF PAEDIATRICS, [S. l.], v. 48, n. 3, p. 170 — 172, 2021. DOI: 10.4314/njp. Disponível em: https://njpaediatrics.com/index.php/njp/article/view/638.. Acesso em: 24 apr. 2026.