KALITA, H C; BORDOLOI, C C. Distribution of clara cells in trachea, bronchus and bronchioles of mithun, yak and zebu. The Indian Journal of Animal Sciences, Delhi, India, v. 75, n. 7, 2005. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/8169. Acesso em: 26 oct. 2025.