Grade, M., Krishnabhakdi, S., & Vestring, T. (2017). Posttraumatic Aneurysm of a Patent Umbilical Vein: Diagnosis and Specific Treatment. The Surgery Journal.
Cita Chicago (17th ed.)Grade, Matthias, Siegfried Krishnabhakdi, i Thomas Vestring. "Posttraumatic Aneurysm of a Patent Umbilical Vein: Diagnosis and Specific Treatment." The Surgery Journal 2017.
Cita MLA (8th ed.)Grade, Matthias, et al. "Posttraumatic Aneurysm of a Patent Umbilical Vein: Diagnosis and Specific Treatment." The Surgery Journal, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.