BEUKES-KING, M P. The rise of invalidation in medicine. South African Medical Journal, South Africa, v. 116, n. 1, p. e4249, 2026. DOI: 10.7196/SAMJ.2026.v116i1.4249. Disponível em: https://www.samajournals.co.za/index.php/samj/article/view/4249. Acesso em: 19 apr. 2026.