Show 250 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Conzalez Ochoa, E" or (type exact bookEditor and editor="Conzalez Ochoa, E") Add to list Conference Paper C3 Smear-negavie pulmonary tuberculosis: peculiarities of tis frequency in Cuba M Llianes Cordero, L Armas Perez, E Conzalez Ochoa, M Lazo Alvarez, L Carreras Corzo, F Matthys and Patrick Van Der Stuyft (UGent) (2006) INTERNATIONAL JOURNAL OF TUBERCULOSIS AND LUNG DISEASE. 10. p.S135-S135