Pindborg, J. J., Mehta, F. S., Gupta, P. C., Daftary, D. K., & Smith, C. J. (1971). Reverse Smoking in Andhra Pradesh, India: A Study of Palatal Lesions among 10,169 Villagers. Nature Publishing Group.

Pindborg, J. J., F. S. Mehta, P. C. Gupta, D. K. Daftary, and C. J. Smith. Reverse Smoking in Andhra Pradesh, India: A Study of Palatal Lesions Among 10,169 Villagers. Nature Publishing Group, 1971.

Pindborg, J. J., et al. Reverse Smoking in Andhra Pradesh, India: A Study of Palatal Lesions Among 10,169 Villagers. Nature Publishing Group, 1971.