Unusual localization of an hydatid cyst: first reported case in Buenos Aires, Argentina Claudia Irene Menghi, Claudia Liliana Gatta

Unusual oral findings of the toxic epidermal necrolysis in an HIV-infected patient: a case report Vinicius da Costa Vieira, Viviane Almeida Sarmento, Patricia Miranda Leite Ribeiro, Eduardo Martins Netto, Carlos Brites, Liliane Lins-Kusterer

Epidemiology of Clostridium difficile: a hospital-based descriptive study in Argentina and Mexico Gustavo Lopardo, Rayo Morfin-Otero, Iliana Isabel Moran-Vazquez, Fernando Noriega, Betzana Zambrano, Christine Luxemburger, Ginamarie Foglia, Enrique Eduardo Rivas