Prevalence of BCG scar among BCG-vaccinated children in a southern Nigeria tertiary hospital. NIGERIAN JOURNAL OF PAEDIATRICS, [S. l.], v. 41, n. 3, p. 229–234, 2024. Disponível em: https://www.njpaediatrics.com/index.php/njp/article/view/336.. Acesso em: 22 jan. 2025.