NDABA, L W; VAN BLYDENSTEIN, S A; HODKINSON, K E. Vitamin B12 deficiency presenting with pulmonary embolism: An unusual presentation. African Journal of Thoracic and Critical Care Medicine, [S. l.], v. 29, n. 3, p. 139–140, 2023. DOI: 10.7196/AJTCCM.2023.v29i3.285. Disponível em: https://samajournals.co.za/index.php/ajtccm/article/view/1544. Acesso em: 12 nov. 2025.