Authors: Maria Asuncion Martinez-Brocca; Ovidio Belda; Juana Parejo; Luis Jimenez; Agustin del Valle; Jose Luis Pereira; Felipe Garcia-Pesquera; Ricardo Astorga; Alfonso Leal-Cerro; Pedro Pablo Garcia-Luna Journal: Obes Surg Date: 2007-05 Impact factor: 4.129