Characterization of third generation cephalosporin-resistant Escherichia coli clinical isolates from Ushuaia, Argentina Ivan Gramundi; Ezequiel Albornoz; Manuel Boutureira; Melina Rapoport; Sonia Gomez; Alejandra Corso; Gabriel Castro; Diego Faccone;

Resistance to ß-lactams in Streptococcus pneumoniae Martha von Specht; Gabriela García Gabarrot; Marta Mollerach; Laura Bonofiglio; Paula Gagetti; Sara Kaufman; Laura Vigliarolo; Inés Toresani; Horacio A. Lopardo;

Bartolinitis por Neisseria meningitidis: caso clínico Elena Berardinelli; Marcela Sokol; Laura Dufranc; Vanina Diaz; Viviana Eiras; Ariel Giancieni; Patricia Galarza; Paula Gagetti; Federico Lorenzo; Adriana Efron;