TY - JOUR AU - Gan, T J; Joshi, G P; Zhao, S Z; Hanna, D B; Cheung, R Y; Chen, C TI - Presurgical intravenous parecoxib sodium and follow-up oral valdecoxib for pain management after laparoscopic cholecystectomy surgery reduces opioid requirements and opioid-related adverse effects JO - Acta Anaesthesiol Scand IS - 09 VL - 48 PY - 2004 SP - 1194 EP - 1207 ER -