Seong Kin, Foong, Ong Cheng Ai, Faezahtul Arbaeyah Hussain, and Goh Bee See. 2020. “A Great Mimicker of Mastoiditis: Multisystem Langerhans’ Cell Histiocytosis”. ENT Updates 10 (1). https://doi.org/10.32448/entupdates.673014.