Comparison of bronchial biopsy, broncho alveolar lavage (BAL), brush cytology and imprint cytology in suspected cases of lung cancer. International Journal of Biomedical and Advance Research, [S. l.], v. 4, n. 9, p. 579–584, 2013. DOI: 10.7439/ijbar.v4i9.453. Disponível em: https://www.ssjournals.co.in/index.php/ijbar/article/view/363. Acesso em: 19 jun. 2026.