@article{201902.0123,
	doi = {10.20944/preprints201902.0123.v1},
	url = {https://doi.org/10.20944/preprints201902.0123.v1},
	year = 2019,
	month = {February},
	publisher = {Preprints},
	author = {Vanessa Machado and João Botelho and João Albernaz Neves and Luís Proença and Ricardo Alves and Maria Alzira Cavacas and João Rua and Ana Delgado and José João Mendes},
	title = {The Prevalence of Periodontal Diseases in Portugal and Correspondent Digital National Awareness: Analysis of Data from Global Burden of Disease, Directorate-General of Health and Google Trends for the Period 2004-2017},
	journal = {Preprints}
}