Relationship of socio-economic status and childhood cancer: an in-hospital cross-sectional study ina developing country. NIGERIAN JOURNAL OF PAEDIATRICS, [S. l.], v. 44, n. 4, p. 180–184, 2024. Disponível em: https://www.njpaediatrics.com/index.php/njp/article/view/149.. Acesso em: 18 nov. 2024.