title: Reply to: N-terminal pro brain natriuretic peptide in coronary artery disease.
authors.affiliation: Zagazig University, King Faisal Specialist Hospital, Jeddah, Saudi Arabia.
authors.forename: Hanan
authors.initials: H
authors.lastname: Radwan
authors.affiliation: Zagazig University, Ibn Sina Faculty of Medicine, Saudi Arabia.
authors.forename: Abdelhakem
authors.initials: A
authors.lastname: Selem
authors.affiliation: Zagazig University, New Jeddah Clinic Hospital, Saudi Arabia.
authors.forename: Kamel
authors.initials: K
authors.lastname: Ghazal