RT Journal Article SR Electronic T1 Low molecular weight dextran to prevent venous thrombosis after elective surgery of the hip JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 33 OP 34 VO 38 IS 1 A1 Evarts, Charles M. A1 Feil, Edward I. A1 Alfidi, Ralph J. YR 1971 UL http://www.ccjm.org/content/38/1/33.abstract AB