1. Gangadharam PRJ (1984) Drug Resistance in Mycobacteria. Boca Raton, FL: CRC Press.
2. Canetti G, Fox W, Khomenko A, Mahler HT, Mennon NK, Mitchison D, Rist N, Smelev NA (1969) Advances in techniques of testing mycobacterial drug sensitivity and the use of sensitivity tests in tuberculosis testing programs. Bull WHO 41:21.
3. Middlebrook G, Cohn ML (1958) Bacteriology of tuberculosis. Laboratory methods. Am J Pub Hlth 48:844.
4. Canetti G (1962) The eradication of tuberculosis: Theoretical problems and practical solutions. Tubercle 43:301.
5. Indian Council of Medical Research (1968) Prevalence of drug resistance in patients with pulmonary tuberculosis presenting for the first time with symptoms at chest clinics in India. Part I, Findings in urban clinics among patients giving no history of previous chemotherapy. Ind J Med Res 56:1617.