Appropriate use of upper gastrointestinal endoscopy: Comparative prospective study using guidelines of American society of gastrointestinal endoscopy and european panel on the appropriateness of gastrointestinal endoscopy
1979 ◽
Vol 72
(6)
◽
pp. 409-411
◽
2012 ◽
Vol 13
(3)
◽
pp. 145-147
◽
2006 ◽
Vol 30
(5)
◽
pp. 673-680
◽
2016 ◽
Vol 6
(2)
◽
pp. 143-148
◽
2001 ◽
Vol 96
(9)
◽
pp. S280
2008 ◽
Vol 40
(9)
◽
pp. 767-775
◽