Dauri, M Retroperitoneal haematoma in a patient with continuous psoas compartment block and enoxaparin administration for total knee replacement. [electronic resource] - British journal of anaesthesia Aug 2009 - 309-10 p. digital Publication Type: Case Reports; Letter ISSN: 1471-6771 Standard No.: 10.1093/bja/aep189 doi Subjects--Topical Terms: AgedAnticoagulants--adverse effectsArthroplasty, Replacement, KneeEnoxaparin--adverse effectsHematoma--etiologyHumansMaleNerve Block--adverse effectsPostoperative Hemorrhage--etiologyPsoas Muscles