Carvalho, Rodolfo Xavier da Costa, and Telma Maria Evangelista de Araújo. 2020. “Knowledge, Attitudes and Practices of University Adolescents about Syphilis: A Cross-Sectional Study in the Northeast”. Revista De Saúde Pública 54 (December): 120. https://doi.org/10.11606/s1518-8787.2020054002381.