Pattern of childhood malignant tumours in two tertiary teaching hospitals in Nigeria: comparative study. NIGERIAN JOURNAL OF PAEDIATRICS, [S. l.], v. 40, n. 2, p. 175–178, 2024. Disponível em: https://www.njpaediatrics.com/index.php/njp/article/view/419.. Acesso em: 18 nov. 2024.