Acute Lymphoblastic Leukaemia Presenting as Pleural and Pericardial Effusions: A Case Report. NIGERIAN JOURNAL OF PAEDIATRICS, [S. l.], v. 53, n. 2, p. 199–206, 2026. DOI: 10.63270/njp.v53i2.2000065. Disponível em: https://www.njpaediatrics.com/index.php/njp/article/view/1343.. Acesso em: 13 jul. 2026.