(2013). ACG case reports journal. American College of Gastroenterology.
Cita Chicago (17th ed.)ACG Case Reports Journal. Bethesda, MD: American College of Gastroenterology, 2013.
Cita MLA (8th ed.)ACG Case Reports Journal. American College of Gastroenterology, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.