Abdel Azeem, H., Zaghlol, M. S., Lotfi, A. (2022). 'Evaluation of The Diagnostic Value of Brain Natriuretic Peptide for Detection of Left Ventricular Systolic Dysfunction and Pulmonary Hypertension in Patients with Acute Exacerbation of Chronic Obstructive Pulmonary Disease', The Egyptian Journal of Hospital Medicine, 86(1), pp. 968-972. doi: 10.21608/ejhm.2022.219974