Nickel, chromium and cobalt: the relevant allergens in allergic contact dermatitis. Comparative study between two periods: 1995-2002 and 2003-2015* Ida Duarte, Karen Levy Korkes, Mariana de Figueiredo Silva Hafner, Rodolfo Ferreira Mendonça, Rosana Lazzarini

Positive results of patch tests with fragrance markers: analysis of a 15-year period at a Brazilian dermatology center* Mariana de Figueiredo Silva Hafner, Sandy Daniele Germano Munhoz, Ariel Garcia Jeldes, Rosana Lazzarini

Assessment of patch test results carried out during ten years in a city in southern Brazil* Mariane Corrêa-Fissmer, Cintia Camila Dalazen, Bárbara Piacentini Ferreira, Betine Pinto Moehlecke Iser