00420nas a2200169   4500000000100000000000100001008004100002100001400043700001500057700001700072700001300089700001700102245008100119300001100200490000700211022003200218       2004                            d1 aS. Morant1 aD. Pettitt1 aT. MacDonald1 aT. Burke1 aJ. Goldstein00aApplication of a propensity score to adjust for channelling bias with NSAIDs  a345-530 v13  a1053-8569 (Print) 1053-8569