1. Lotte A, Wasz-Hockert O, Poisson N, et al. Second IUATLD study on complications induced by intradermal BCG-vaccination. Bull Int Union Tuberc Lung Dis. 1988;63:47–59.
2. Calmette A. Preventive vaccination against tuberculosis with BCG. Proc R Soc Med. 1931;24:1481–90.
3. Levine MI. Immunization against tuberculosis. A study of the essential factors. Am Rev Tuberc Pulmon Dis. 1938;38:632–43.
4. Ferguson RG, Simes AB. BCG vaccination of Indian infants in Saskatchewan. Tubercle. 1949;30:5–11.
5. BCG and vole bacillus vaccines in the prevention of tuberculosis in adolescence and early adult life. Bull World Health Organ. 1972;46:371–85.