@article{article05c59ffe,
title   = {Low concentrations of selenium and zinc in nails are associated with childhood Asthma},
author = {Carneiro, Maria Fernanda Hornos and Rhoden, Claudia Ramos and Amantéa, Sérgio Luís and Barbosa Júnior, Fernando},
year = {2011},
doi = {10.1007/s12011-011-9080-3},
journal   = {Biological Trace Element Research}
}