CAPRI R. REED. Angiotensin-Converting Enzyme Activity in Patients with Pneumonia and COPD: Clinical Evaluation and Diagnostic Value. Open Journal of Physicians and Surgeons , [S. l.], v. 7, n. 1, p. 72–80, 2026. Disponível em: https://ojps.site/index.php/Journal/article/view/188. Acesso em: 19 jan. 2026.