RT Journal Article SR Electronic T1 Primary sclerosing cholangitis. A report of two cases JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 103 OP 108 VO 101 IS 2 A1 I. H. Koven A1 A. Golab A1 D. R. Bohnen A1 H. A. Himel YR 1969 UL http://www.cmaj.ca/content/101/2/103.abstract