Current status of transnasal endoscopy worldwide using ultrathin videoscope for upper gastrointestinal tract
2010 ◽
Vol 33
(4)
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pp. 690-705
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2017 ◽
Vol 10
(4)
◽
pp. 354-363
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1957 ◽
Vol 32
(6)
◽
pp. 1013-1024
◽
2007 ◽
Vol 28
(S 1)
◽