6World Health Organization.Clobal Tuberculosis Control WHO repot 2001Geneva,Switzerland [M].WHO/CDS/TB,2001:287.
7Portero NJ, Rubio YM , Pasicatan MA . Socio-economic determinants of knowledge and attitudes about tuberculosis among the general population of Metro Manila ,Philippines[J].Int J Tubere Lung Dis,2002,6:301-306