Primary Sclerosing Cholangitis and Ulcerative Colitis
1985 ◽
Vol 102
(5)
◽
pp. 581
◽
2000 ◽
Vol 20
(4)
◽
pp. 340-345
◽
1995 ◽
Vol 15
(6)
◽
pp. 293-299
◽