Shady, Amr A.; Colby, Brandon R.; Cunha, Luis F.; Astrin, Kenneth H.; Bishop, David F.; Desnick, Robert J. (2002). "Congenital erythropoietic porphyria: identification and expression of eight novel mutations in the uroporphyrinogen III synthase gene". British Journal of Haematology. 117 (4): 980–987. doi:10.1046/j.1365-2141.2002.03558.x. ISSN0007-1048. PMID12060141.
Shady, Amr A.; Colby, Brandon R.; Cunha, Luis F.; Astrin, Kenneth H.; Bishop, David F.; Desnick, Robert J. (2002). "Congenital erythropoietic porphyria: identification and expression of eight novel mutations in the uroporphyrinogen III synthase gene". British Journal of Haematology. 117 (4): 980–987. doi:10.1046/j.1365-2141.2002.03558.x. ISSN0007-1048. PMID12060141.
Shady, Amr A.; Colby, Brandon R.; Cunha, Luis F.; Astrin, Kenneth H.; Bishop, David F.; Desnick, Robert J. (2002). "Congenital erythropoietic porphyria: identification and expression of eight novel mutations in the uroporphyrinogen III synthase gene". British Journal of Haematology. 117 (4): 980–987. doi:10.1046/j.1365-2141.2002.03558.x. ISSN0007-1048. PMID12060141.