R. SUMITHRARACHCHI, S.; PEMASIRI, W.; PATHIRANAGE, A. D.; JAYASOORIYA, P. R. Betel Quid, Smoking and Alcohol Dependency among Patients with Oral Potentially Malignant Disorders and Oral Cancer in Sri Lanka; A Preliminary Case-control Study. Asian Pacific Journal of Cancer Biology, v. 6, n. 3, p. 207-212, 8 set. 2021.