Trends and Patterns of Disparities in Oral Cavity and Pharyngeal Cancer in Serbia: Prevalence and Economic Consequences in a Transitional Country - Djordjevic, Gordana; Dagovic, Aleksandar; Ristic, Vladimir; Kanjevac, Tatjana; Brajkovic, Denis; Popovic, Milica (Frontiers in Pharmacology, 2017)