Rashid, M., Saleem, H., Ayaz, S. B., Nabi, I. .-U.-., Hussain, R., & Manzoor, F. (2020). CHEST X-RAY FINDINGS AND TYPES OF FOREIGN BODIES IN PATIENTS PRESENTING WITH COMPLAINTS OF TRACHEOBRONCHIAL FOREIGN BODY ASPIRATION; A NINE-YEAR MULTI-CENTER PROSPECTIVE STUDY. Pakistan Armed Forces Medical Journal, 70(4), 956-61. https://www.pafmj.org/PAFMJ/article/view/5063