00341nas a2200133   4500000000100000000000100001008004100002100001700043700001900060245007800079300001100157490000700168022003200175       1998                            d1 aL. Rodriguez1 aPerez Gutthann00aUse of the UK General Practice Research Database for pharmacoepidemiology  a419-250 v45  a0306-5251 (Print) 0306-5251