RT Journal Article SR Electronic T1 Thrombotic thrombocytopenic purpura JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 716b OP 716 VO 116 IS 7 A1 Neame, P. B. A1 Hirsch, J. YR 1977 UL http://www.cmaj.ca/content/116/7/716b.abstract