Sunyer, J., Alvarez-Pedrerol, M., To-Figueras, J., Ribas-Fitó, N., Grimalt, J. O., & Herrero, C. (2008). Urinary Porphyrin Excretion in Children is Associated with Exposure to Organochlorine Compounds. National Institute of Environmental Health Sciences.

Sunyer, Jordi, Mar Alvarez-Pedrerol, Jordi To-Figueras, Núria Ribas-Fitó, Joan O. Grimalt, ja Carmen Herrero. Urinary Porphyrin Excretion in Children Is Associated With Exposure to Organochlorine Compounds. National Institute of Environmental Health Sciences, 2008.

Sunyer, Jordi, et al. Urinary Porphyrin Excretion in Children Is Associated With Exposure to Organochlorine Compounds. National Institute of Environmental Health Sciences, 2008.