[1]
Khan, T., Khan, N. ullah, Khan, Q.I., Khan, R. muhammad, Atif Masood and Khan, W. 2022. Frequency of Acute Exacerbation of COPD Among Non-smokers in Tertiary Care Hospital of Bannu KPK-Pakistan. Journal of Women Medical and Dental College. 1, 2 (Sep. 2022). DOI:https://doi.org/10.56600/jwmdc.v1i2.17.