TY - JOUR AU - Lewis, S R; Nicholson, A; Cardwell, M E; Siviter, G; Smith, A F TI - Nonsteroidal anti-inflammatory drugs and perioperative bleeding in paediatric tonsillectomy JO - Cochrane Database Syst Rev PY - 2013 L3 - PubMed-ID: 23881651 SP - CD003591 ER -