Ahmed, Ayesha, and Sajjad Ahmed. “COMPARISON OF BRONCHOALVEOLAR LAVAGE CYTOLOGY AND TRANSBRONCHIAL BIOPSY IN THE DIAGNOSIS OF CARCINOMA OF LUNG”. Journal of Ayub Medical College Abbottabad 16, no. 4 (December 1, 2004). Accessed April 4, 2025. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/4087.