Urinary abnormalities in asymptomatic secondary school children in Calabar, Nigeria. NIGERIAN JOURNAL OF PAEDIATRICS, [S. l.], v. 49, n. 4, p. 305 – 310, 2023. Disponível em: https://www.njpaediatrics.com/index.php/njp/article/view/1074.. Acesso em: 23 may. 2026.