TY - GEN ED - World Healt Organization TI - Assesing tuberculosis prevalence population-based surveys / U1 - 616.246 PY - 2007///0000 CY - s.l, PB - World Health Organization KW - TUBERCULOSIS.- N2 - Sampling methods.-Testing Methods.-Screening strategies.-Measurements and case definitions.-Social determinants and risk factors.-Ethics.-Survey organization.-Field operation.-Monitoring.-quality assurance.-Safety.-Documents and data management.-Data analysis.-Reporting the results of the prevalence survey ER -