A rare case of sigmoid colon obstruction in patient with ulcerative colitis: role of transabdominal ultrasound-guided biopsy
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1989 ◽
Vol 141
(2)
◽
pp. 332-333
◽
1989 ◽
Vol 142
(2 Part 1)
◽
pp. 326-331
◽
2019 ◽
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