Review article: Biomedical intelligence Transnasal esogastroduodenoscopy (EGD): comparison with conventional EGD and new applications M Maffei, JM Dumonceau DOI: https://doi.org/10.4414/smw.2008.12220 Publication Date: 15.11.2008 Swiss Med Wkly. 2008;138(45-46):658-664 This text is only available as PDF .
