@article {nakos2009study,
	title = {A study comparing tolerability, satisfaction and acceptance of three different techniques for esophageal endoscopy: sedated conventional, unsedated peroral ultra thin, and esophageal capsule},
	journal = {Diseases of the Esophagus},
	volume = {22},
	number = {5},
	year = {2009},
	pages = {447{\textendash}452},
	publisher = {Oxford University Press},
	author = {Nakos, G and Karagiannis, S. and Ballas, S and Galanis, P and Alevizopoulos, G and Nakos, A and Mavrogiannis, C}
}
