Systematic review with meta-analysis: The prevalence, risk factors and outcomes of upper gastrointestinal tract crohn's disease
2018 ◽
Vol 12
(12)
◽
pp. 1399-1409
◽
2019 ◽
Vol 2019
◽
pp. 1-5
◽
2019 ◽
Vol 64
(11)
◽
pp. 3291-3299
◽
1990 ◽
Vol 4
(1)
◽
pp. 26-32
◽