Sonography of the fetal gastrointestinal tract: anatomic variants, diagnostic pitfalls, and abnormalities.
Hertzberg BS.
AJR Am J Roentgenol. 1994 May;162(5):1175-82. doi: 10.2214/ajr.162.5.8166006.
PMID:8166006
Complications of congenital and developmental abnormalities of the gastrointestinal tract in adolescents and adults: evaluation with multimodality imaging.
Lee NK, Kim S, Jeon TY, Kim HS, Kim DH, Seo HI, Park DY, Jang HJ.