1. Maurya V, Vijayan VK, Shah A: Smoking and tuberculosis: an association overlooked. Int J Tuberc Lung Dis. 2002, 6 (11): 942-951.
2. Lin HH, Ezzati M, Murray M: Tobacco smoke, indoor air pollution and tuberculosis: a systematic review and meta-analysis. PLoS medicine. 2007, 4 (1): e20.-10.1371/journal.pmed.0040020.
3. Bates MN, Khalakdina A, Pai M, Chang L, Lessa F, Smith KR: Risk of tuberculosis from exposure to tobacco smoke: a systematic review and meta-analysis. Archives of internal medicine. 2007, 167 (4): 335-342. 10.1001/archinte.167.4.335.
4. Slama K, Chiang CY, Enarson DA, Hassmiller K, Fanning A, Gupta P, Ray C: Tobacco and tuberculosis: a qualitative systematic review and meta-analysis. Int J Tuberc Lung Dis. 2007, 11 (10): 1049-1061.
5. Chiang CY, Slama K, Enarson DA: Associations between tobacco and tuberculosis. Int J Tuberc Lung Dis. 2007, 11 (3): 258-262.