Martínez-Frías, ML; Bermejo-Sánchez, E; Rodríguez-Pinilla, E; Prieto-Merino, D; Grupo de Periférico del ECEMC; (2006) [Characteristics of neonates with and without a single umbilical artery. Analysis of two consecutive series of neonates with and without congenital defects.]. Anales de pediatria (Barcelona, Spain, 65 (6). pp. 541-50. ISSN 1695-4033 https://researchonline.lshtm.ac.uk/id/eprint/7371 Full text not available from this repository.