Schlapbach, Luregn J; Ahrens, Olaf; Klimek, Peter; Berger, Steffen; Kessler, Ulf (2010). Clostridium perfringens and necrotizing enterocolitis. Journal of pediatrics, 157(1), p. 175. New York, N.Y.: Elsevier 10.1016/j.jpeds.2010.03.027