Effectiveness of supplementation with different doses of calcifediol in HIV patients with vitamin D deficiency Victoria Callejo; Cristina Tomás; Ángeles Muñoz; Carlos Báguena; Antonia Alcaraz; Rodrigo Martínez-Rodríguez; Salvador Valero; Eva García Villalba; Eva Oliver; María Dolores Hernández; María Isabel Martinez; Joaquin Bravo; Mónica Martínez; María Rosario Vicente; Natalia Sancho; Enrique Bernal;

Executive summary: Clinical practice guidelines on the management of resistant tuberculosis of the Spanish Society of Pulmonology and Thoracic Surgery (SEPAR) and the Spanish Society of Infectious Diseases and Clinical Microbiology (SEIMC) Adrian Sanchez-Montalva; José Antonio Caminero; Mª Remedio Guna; Teresa Rodrígo Sanz; Ramón Rabuñal; Joan Pau Millet; José Antonio Gullón-Blanco; Luis Anibarro; Guillermo Perez-Mendoza; Juan Francisco Medina; Verónica González-Galán; Eva Tabernero;

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;