Martinez-Guarneros, A.; Balandrano-Campos, S.; Solano-Ceh, MA.; González-Dominguez, F.; Lipman, HB.; Ridderhof, JC.; Flisser, A
(International Journal of Tuberculosis and Lung Disease, 2003)
SETTING: In developing countries, tuberculosis is diagnosed by identification of acid-fast bacilli (AFB) on sputum smears.OBJECTIVE: To evaluate the quality of AFB microscopy, the Mexican Secretary of Health National ...