title: Is a large number of sputum specimens necessary for the bacteriological diagnosis of tuberculosis?
authors.forename: A
authors.initials: A
authors.lastname: Cascina
authors.forename: A
authors.initials: A
authors.lastname: Fietta
authors.forename: L
authors.initials: L
authors.lastname: Casali
mesh_terms: D006801:Humans; D011237:Predictive Value of Tests; D015203:Reproducibility of Results; D012189:Retrospective Studies; D013183:Sputum / Q000382:microbiology*; D013194:Staining and Labeling / Q000191:economics; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis*