Porphyrias

Anderson KE, Bloomer JR, Bonkovsky HL, et al. Recommendations for the diagnosis and treatment of the acute porphyrias. Ann Intern Med 142:439-450, 2005.
PMID: 15767622
http://www.annals.org/cgi/reprint/142/6/439.pdf

Egger NG, Goeger DE, Payne DA, Miskovsky EP, Weinman SA, Anderson KE. Porphyria cutanea tarda: multiplicity of risk factors including HFE mutations, hepatitis C, and inherited uroporphyrinogen decarboxylase deficiency. Dig Dis Sci 47:419-426, 2002.
PMID: 11855561
http://www.springerlink.com/content/u71p5n2p39217n1q/fulltext.pdf

Sassa S. Modern diagnosis and management of the porphyrias. Br J Haematol 135:281-292, 2006.
PMID: 16956347
http://www3.interscience.wiley.com/cgi-bin/fulltext/118608093/PDFSTART