%0 Journal Article %T Evaluation of management strategies and drug therapy problems in patients with angina pectoris: A cross-sectional observational study %A JAN, F.A. %A ULLAH, A. %A JAN, A. %A RAHIM, A. %A ULLAH, I. %A AKBAR, R. %J Sigma Journal of Engineering and Natural Sciences %D 2026 %V 44 %P 3067-3076 %R 10.14744/sigma.2026.2144