TY - JOUR AU - Blatchford, O; Murray, W R; Blatchford, M TI - A risk score to predict need for treatment for upper-gastrointestinal haemorrhage JO - Lancet VL - 356 PY - 2000 DO - 10.1016/S0140-6736(00)02816-6 L3 - PubMed-ID: 11073021 SP - 1318 EP - 1321 N1 - (9238) ER -