Kröner Paul T, Argueta Victor
Department of Medicine, Universidad Francisco Marroquín, Guatemala City, Guatemala.
Department of Pathology, San Juan de Dios General Hospital, Guatemala City, Guatemala.
Endoscopy. 2015;47 Suppl 1 UCTN:E179-80. doi: 10.1055/s-0034-1391501. Epub 2015 Apr 30.