KENNY, Jon‑Emile S. A framework for flow time measured by Doppler ultrasound. The Ultrasound Journal, Fidenza (PR), Italy, v. 17, n. 1, p. 10, 2025. DOI: 10.1186/s13089-025-00414-8. Disponível em: https://mattioli1885journals.com/index.php/theultrasoundjournal/article/view/18122. Acesso em: 22 apr. 2026.