00506nas a2200217   4500000000100000000000100001008004100002100001200043700001200055700002800067700001700095700001600112700001300128700001800141700001300159700001200172245005500184300001000239490000700249022003200256       2003                            d1 aS. Jick1 aJ. Kaye1 aC. Vasilakis-Scaramozza1 aL. Rodriguez1 aA. Ruigomez1 aC. Meier1 aR. Schlienger1 aC. Black1 aH. Jick00aValidity of the general practice research database  a686-90 v23  a0277-0008 (Print) 0277-0008