Porphyrin metabolism as indicator of metal exposure and toxicity.
Woods JS. In: Goyer RA, Cherian MG, eds. Handbook of experimental pharmacology. Berlin: Springer-Verlag; 1995:19-52.

Porphyrinurias induced by mercury and other metals.
Fowler BA. Toxicol Sci. Jun 2001;61(2):197-198.

Urinary porphyrin profiles as biomarkers of trace metal exposure and toxicity: studies
on urinary porphyrin excretion patterns in rats during prolonged exposure to methyl mercury.
Woods JS, Bowers MA, Davis HA. Toxicol Appl Pharmacol. Sep 15 1991;110(3):464-476.

Urinary porphyrin profiles as a biomarker of mercury exposure: studies on dentists with occupational exposure to mercury vapor.
Woods JS, Martin MD, Naleway CA, Echeverria D. J Toxicol Environ Health. Oct-Nov 1993;40(2-3):235-246.

Behavioral effects of low-level exposure to elemental Hg among dentists.
Echeverria D, Heyer NJ, Martin MD, Naleway CA, Woods JS, Bittner AC, Jr. Neurotoxicol Teratol. Mar-Apr 1995;17(2):161-168.

Lead-induced abnormalities of porphyrin metabolism. The relationship with iron deficiency.
Piomelli S, Seaman C, Kapoor S. Ann N Y Acad Sci. 1987;514:278-288.

Altered porphyrin metabolism as a biomarker of mercury exposure and toxicity.
Woods JS. Can J Physiol Pharmacol. Feb 1996;74(2):210-215.

Porphyrinuria in childhood autistic disorder: implications for environmental toxicity.
Nataf R, Skorupka C, Amet L, Lam A, Springbett A, Lathe R. Toxicol Appl Pharmacol. Jul 15 2006;214(2):99-108.

A prospective assessment of porphyrins in autistic disorders: a potential marker for heavy metal exposure.
Geier D, Geier M. Neurotoxicity Research. 2006;10(1):6.

Biomarkers of exposure and effect as indicators of the interference of selenomethionine on methylmercury toxicity.
Dos Santos AP, Mateus ML, Carvalho CM, Batoreu MC. Toxicol Lett. Mar 8 2007;169(2):121-128.

Porphyrins, porphyrin metabolism and porphyrias.
Thunell S. I. Update. Scand J Clin Lab Invest. Nov 2000;60(7):509-540.