RT Journal Article SR Electronic T1 Hypoprothrombinemic hemorrhage due to cholestyramine therapy JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 609 OP 610 VO 134 IS 6 A1 Shojania, A. M. A1 Grewar, D. YR 1986 UL http://www.cmaj.ca/content/134/6/609.abstract