Kalita, H.C. and Bordoloi, C.C. (2005) “Distribution of clara cells in trachea, bronchus and bronchioles of mithun, yak and zebu”, The Indian Journal of Animal Sciences, 75(7). Available at: https://epubs.icar.org.in/index.php/IJAnS/article/view/8169 (Accessed: 26 October 2025).