Oliveira, Inês, Hugo Teles, Filipe Seixo, and Anabela Ferrão. 2019. “Sinus Tachycardia in the Adolescent: The Importance of Differential Diagnosis”. Acta Médica Portuguesa 32 (7-8). Lisbon, Portugal:545-48. https://doi.org/10.20344/amp.10719.