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Comment
. 1989 Nov-Dec;35(6):581.
doi: 10.1016/s0016-5107(89)72924-2.

Upper gastrointestinal endoscopy without prior sedation

S Sahm, H Dancygier
Comment

Upper gastrointestinal endoscopy without prior sedation

S Sahm et al. Gastrointest Endosc. 1989 Nov-Dec.
No abstract available

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