Pulmonary valve stenosis. American Heart Association. https://www.heart.org/en/health-topics/congenital-heart-defects/about-congenital-heart-defects/pulmonary-valve-stenosis#.WL8Hj00m4kk. Accessed December 2019.
Bernstein D. General principles of treatment of congenital heart disease. In: Kliegman RM, Stanton BF, St Geme JW, Schor NF, eds. Nelson Textbook of Pediatrics. 20th ed. Philadelphia, PA: Elsevier, Inc.; 2016: 2243-2250.
Marelli AJ. Congenital heart disease in adults. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 25th ed. Philadelphia, PA: Elsevier, Inc.; 2016: 405-417.