Horie, Keita, Riichiro Abe, Erina Homma, Junko Murata, Toshifumi Nomura, and Hiroshi Shimizu. 2014. “Solitary Tumour on the Neck: A Quiz”. Acta Dermato-Venereologica 94 (5):619-22. https://doi.org/10.2340/00015555-1792.