Precursors for upper gastrointestinal cancer: the need for screening
1987 ◽
pp. 75-91
◽
2021 ◽
Vol 12
◽
pp. 100181
2005 ◽
Vol 81
(961)
◽
pp. 728-730
◽
2007 ◽
Vol 96
(1)
◽
pp. 41-45
◽
1984 ◽
pp. 413-421
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