Table 18-1 in: Marks, Dawn B.; Swanson, Todd; Sandra I Kim; Marc Glucksman (2007). 《Biochemistry and molecular biology》. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins. ISBN0-7817-8624-X. CS1 관리 - 여러 이름 (링크)
Anderson KE, Bloomer JR, Bonkovsky HL, et al. (2005). “Recommendations for the diagnosis and treatment of the acute porphyrias”. 《Ann. Intern. Med.》 142 (6): 439□50. PMID15767622. CS1 관리 - 여러 이름 (링크)