Incidence of gastrointestinal and upper airway malignancies in a tertiary care hospital: A Hospital Based Study from North Eastern India. International Journal of Biomedical and Advance Research, [S. l.], v. 9, n. 6, p. 215–222, 2018. DOI: 10.7439/ijbar.v9i6.4803. Disponível em: https://ssjournals.co.in/index.php/ijbar/article/view/4803. Acesso em: 21 apr. 2026.