Muhammad Qasim, Bushra Anwar, Amir Qureshi, Muazam Ali Shehzad, Syed Imran Ahmed Kazmi, Ayesha Bibi 2023. Frequency of Iron Deficiency in Heart Failure Patients. Pakistan Journal of Medical & Health Sciences. 17, 06 (Jun. 2023), 161. DOI:https://doi.org/10.53350/pjmhs2023176161.