TY - JOUR T1 - Primary sclerosing cholangitis. A report of two cases JF - Canadian Medical Association Journal JO - CMAJ SP - 103 LP - 108 VL - 101 IS - 2 AU - I. H. Koven AU - A. Golab AU - D. R. Bohnen AU - H. A. Himel Y1 - 1969/07/26 UR - http://www.cmaj.ca/content/101/2/103.abstract ER -