Clinical and epidemiological characteristics of Chlamydia trachomatis infection among sexually transmitted infection clinics patients Josefina López-de Munain; Maria del Mar Cámara-Pérez; Miriam López-Martinez; Jose Angel Alava-Menica; Leonora Hernandez-Ragpa; Manuel Imaz-Pérez; Maria José Tejeiro-Pulido; Iker Mojas-Díez; Mireia de la Peña-Trigueros; Jose Luis Díaz-de Tuesta-del Arco; Josefa Muñoz-Sánchez;

Unsuccessful tuberculosis-treatment in HIV-positive patients and associated factors Guillermo Bosch; Joan-Pau Millet; Àngels Orcau; Isabel Moreira; Carles Pericas; Lluïsa Forns; Isabel Marcos; Raquel Prieto; Anna Hernandez; Lídia Arranz; Cristina Rius;

Human intestinal spirochetosis: an entity associated with sexual transmitted infections Alejandro De Gea-Grela; Alfredo Maldonado-Barrueco; Clara Cabañuz; Mariana Díaz-Almiron; Alicia Rico; Guillermo Ruíz-Carrascoso; Maria Elena Palacios; Eduardo Martín-Arranz; Raquel Escudero-Nieto; José I Bernardino;