Knight SW, Heiss NS, Vulliamy TJ, Aalfs CM, McMahon C, Richmond P, et al. (November 1999). "Unexplained aplastic anaemia, immunodeficiency, and cerebellar hypoplasia (Hoyeraal–Hreidarsson syndrome) due to mutations in the dyskeratosis congenita gene, DKC1". British Journal of Haematology. 107 (2): 335–9. doi:10.1046/j.1365-2141.1999.01690.x. PMID10583221. S2CID23750791.
Knight SW, Heiss NS, Vulliamy TJ, Aalfs CM, McMahon C, Richmond P, et al. (November 1999). "Unexplained aplastic anaemia, immunodeficiency, and cerebellar hypoplasia (Hoyeraal–Hreidarsson syndrome) due to mutations in the dyskeratosis congenita gene, DKC1". British Journal of Haematology. 107 (2): 335–9. doi:10.1046/j.1365-2141.1999.01690.x. PMID10583221. S2CID23750791.
Knight SW, Heiss NS, Vulliamy TJ, Aalfs CM, McMahon C, Richmond P, et al. (November 1999). "Unexplained aplastic anaemia, immunodeficiency, and cerebellar hypoplasia (Hoyeraal–Hreidarsson syndrome) due to mutations in the dyskeratosis congenita gene, DKC1". British Journal of Haematology. 107 (2): 335–9. doi:10.1046/j.1365-2141.1999.01690.x. PMID10583221. S2CID23750791.