An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Lam AH, Villanueva AC.Lam AH, et al. Among authors: villanueva ac.Pediatr Radiol. 1992;22(6):413-6. doi: 10.1007/BF02013499.Pediatr Radiol. 1992.PMID: 1437363
Lam AH, Villanueva AC, Ong J.Lam AH, et al. Among authors: villanueva ac.Australas Radiol. 1993 Feb;37(1):60-2. doi: 10.1111/j.1440-1673.1993.tb00010.x.Australas Radiol. 1993.PMID: 8323513
Sabaté JM, Fernández A, Torrubia S, Villanueva A, Monill JM.Sabaté JM, et al.Eur Radiol. 1999;9(8):1550-2. doi: 10.1007/s003300050882.Eur Radiol. 1999.PMID: 10525863
Villanueva A, Pérez C, Sabaté JM, Llauger J, Giménez A, Sanchis E, García T, Moreno A.Villanueva A, et al.Rev Esp Enferm Dig. 1995 Oct;87(10):707-14.Rev Esp Enferm Dig. 1995.PMID: 8519536Spanish.
Villanueva A, Reyes G, Cuatrecasas M, Martínez A, Erill N, Lerma E, Farré A, Lluís F, Capellá G.Villanueva A, et al.Gastroenterology. 1996 May;110(5):1587-94. doi: 10.1053/gast.1996.v110.pm8613066.Gastroenterology. 1996.PMID: 8613066