Application of Betty Neuman Systems Model in the Pre-Operative Care of a Patient Undergoing Percutaneous Coronary Intervention (PCI): A Case Study. Pakistan Journal of Medical & Cardiological Review, [S. l.], v. 5, n. 1, p. 3839–3848, 2026. Disponível em: https://pakjmcr.com/index.php/1/article/view/1609. Acesso em: 2 sep. 2026.