Shaikh, Muhammad Asim, Jawaid Akbar Sial, Khalid Iqbal Bhatti, Khalid Hussain Soomro, and Syed Jafar Shah. 2022. “FREQUENCY OF HEART FAILURE PATIENTS RECEIVING INFLUENZA VACCINE”. Pakistan Heart Journal 55 (2):162-65. https://doi.org/10.47144/phj.v55i2.2182.