Ali, Muhammad, Sohail Aslam, Farhan Ahmed Majeed, and Muhammad Ashfaq. “AN UNUSUAL FOREIGN BODY BRONCHUS (OPEN SAFETY PIN): An Unusual Foreign Body Bronchus”. Pakistan Armed Forces Medical Journal 58, no. 3 (September 30, 2008): 348–349. Accessed October 8, 2025. https://www.pafmj.org/PAFMJ/article/view/2065.