TY - JOUR AU - Chi, G; Gibson, C M; Kalayci, A TI - Extended-duration betrixaban versus shorter-duration enoxaparin for venous thromboembolism prophylaxis in critically ill medical patients: an APEX trial substudy JO - Intensive Care Med IS - 04 VL - 45 PY - 2019 DO - 10.1007/s00134-019-05565-6 L3 - PubMed-ID: 30778649 SP - 477 EP - 487 N1 - , et al. ER -