MEDAWELA, R. M. S. H.; D L RATNAYAKE, D. R.; PREMATHILAKE, L. K. N.; JAYASINGHE, R. Attitudes, Confidence in Practices and Perceived Barriers Towards the Promotion of Tobacco Cessation among Clinical Dental Undergraduates in Sri Lanka. Asian Pacific Journal of Cancer Care, v. 6, n. 2, p. 175-179, 14 maio 2021.