| 1. | Rosseland LA, Helgesen KG, Breivik H, et al. Moderate-to-severe pain after knee arthroscopy is relieved by intraarticular saline: a randomized controlled trial. Anesth Analg, 2004 ; 98(6):1546-1551. | 
				                                                        
				                                                            
				                                                                | 2. | Dye SF,Vaupel GL,Dye CC. Conscious neurosensory mapping of the internal structures of the human knee without intraarticular anesthesia. Am J Sports Med, 1998;26 (6):773-777. | 
				                                                        
				                                                            
				                                                                | 3. | Convery PN, Milligan KR, Quinn P, et al. Efficacy and uptake of ropivacaine and bupivacaine after single intra-articular injection in the knee joint. Br J Anaesth, 2001 ;87(4):570-576. | 
				                                                        
				                                                            
				                                                                | 4. | Franceschi F, Rizzello G, Cataldo R, et al.Comparison of morphine and ropivacaine following knee arthroscopy. Arthroscopy, 2001;17(5):477-480. | 
				                                                        
				                                                            
				                                                                | 5. | Muller M, Burkhardt J, Borchardt E, et al.Postoperative analgesic effect after intra-articular morphine or ropivacaine following knee arthroscopy - a prospective randomized, doubleblinded study. Schmerz, 2001;15(1):3-9. | 
				                                                        
				                                                            
				                                                                | 6. | Rosseland LA, Stubhaug A. Gender is a confounding factor in pain trials: women report more pain than men after arthroscopic surgery. Pain, 2004;112 (3): 248-253. | 
				                                                        
				                                                            
				                                                                | 7. | Reiz S, Haggmark S, Johansson G, et al.Cardiotoxicity of ropivacaine-a new amide local anesthetic agent. Acta Anaesth Scand, 1989;33 (2):93-98. | 
				                                                        
				                                                            
				                                                                | 8. | Feldman HS, Arthur GR, Covino BG. Comparative systemic toxicity of convulsant and supraconvulsant doses of intravenous ropivacaine ,bupivacaine and lidocaine in the conscious dogs. Anesth Analg,1989;69 (6):794-801. | 
				                                                        
				                                                            
				                                                                | 9. | Cederlhom I, Evers H, Lofstrom JB. Skin blood flow after intradermal injection of ropivacaine in various concentrations with or without epinephrine evaluated by laser Doppler flow-metry. Reg Anesth, 1992;17 (6):322-328. | 
				                                                        
				                                                            
				                                                                | 10. | Martinsson T, Haegerstrand A, Dalsgaard CJ. Effect of ropivacaine on eicosanoid release from human granulocytes and endothelial cells in vitro. Inflamm Res, 1997;46 (10):398-403. |