URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
http://dx.doi.org/10.1590/0102-33062015abb0233DOI Link
http://www.scielo.br/scielo.php?script=sci_arttext[...]03/07/2016
http://www.scielo.br/pdf/abb/v30n1/0102-3306-abb-3[...]03/07/2016PDF Reader