Chaudhary, Muhammad Khalid, Muhammad Younus, Ashfaq Ur Rehman, S Faraz Zafar, and Syed Mulazim Hussain Bukhari. 2011. “The Importance of Sputum Cytology in the Diagnosis of Lung Cancer”. Annals of King Edward Medical University 16 (3):198. https://doi.org/10.21649/akemu.v16i3.226.