RT Journal Article SR Electronic T1 When should prophylactic anticoagulation begin after a hip fracture? JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 785 OP 792 VO 73 IS 9 A1 Paul J. Grant A1 Amir K. Jaffer YR 2006 UL http://www.ccjm.org/content/73/9/785.abstract AB