JL Wadhwani, Anil Sejwar, and Dharmendra Kumar Mekle. “The Pattern of Microbiological Colonization of Endotracheal Tube Aspirate on Mechanically Ventilated Patients: A Clinical Study from Central India”. International Journal of Health and Clinical Research, vol. 5, no. 2, Jan. 2022, pp. 296-8, https://ijhcr.com/index.php/ijhcr/article/view/4119.