Tribute to Professor Ella Hartman (29/6/1942 – 8/01/2026). South African Journal of Child Health, [S. l.], v. 20, n. 1, p. e5150, 2026. DOI: 10.7196/. Disponível em: https://samajournals.co.za/index.php/sajch/article/view/5150. Acesso em: 19 apr. 2026.