1Asch S, Leake B, Anderson R, et al. Why do symptomatic patients delay obtaining care for tuberculosis. Am J Respir Crit Care Med, 1998, 157(4 Pt 1): 1244-1248.
2World Health Organization. Global tuberculosis control, WHO report 2000. Geneva: WHO, 2000.
3Lin X, Chongsuvivatwong V, Lin L, et al. Dose-response re- lationship between treatment delay of smear-positive tubercu- losis patients and intra-household transmission. Trans R Soc Trop Med Hyp, 2008, 102(8): 797-804.
4Byrd RP Jr, Mehta JB, Roy TM. Delay in diagnosis among hospitalized patients with active tuberculosis-predictors and outcomes. Am J Respir Crit Care Med, 2003, 167(2): 278.
5Sherman LF, Fujiwara PI, Cook SV, et al. Patient and health care system delays in the diagnosis and treatment of tuberculo- sis. Int J Tuberc Lung Dis, 1999, 3(12): 1088-1095.
6Rodger A, Jaffar S, Paynter S, et al. Delay in the diagnosis of pulmonary tuberculosis, London, 1998-2000 : analysis of sur- veillance data. BMJ, 2003, 326(7395): 909-910.
7Lin X, Chongsuvivatwong V, Geater A, et al. The effect of geographical distance on TB patient delays in a mountainous province of China. Int J Tuberc Lung Dis, 2008, 12(3): 288- 293.
8Cheng G, Tolhurst R, Li RZ, et al. Factors affecting delays in tuberculosis diagnosis in rural China: a case study in four counties in Shandong Province. Trans R Soc Trop Med Hyp, 2005, 99(5): 355-362.