Maraqa, Bayan, et al. “Concomitant Langerhans Cell Histiocytosis of Cervical Lymph Nodes in Adult Patients With Papillary Thyroid Carcinoma: A Report of Two Cases and Review of the Literature”. Autopsy and Case Reports, vol. 11, Mar. 2021, p. e2021253, https://doi.org/10.4322/acr.2021.253.