Muthu, Valliappan, et al. “Role of Cytomorphology in the Diagnosis of Sarcoidosis in Subjects Undergoing Endobronchial Ultrasound-Guided Transbronchial Needle Aspiration”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases, vol. 36, no. 3, Sept. 2019, pp. 209-16, https://doi.org/10.36141/svdld.v36i3.8175.