00433nas a2200157 4500000000100000000000100001008004100002100001300043700001600056700001500072700001600087245013900103300001200242490000700254022001400261 2009 d1 aB. Zhang1 aF. de Vries1 aE. Setakis1 aT. van Staa00aThe pattern of risk of myocardial infarction in patients taking asthma medication: a study with the General Practice Research Database a1485-920 v27 a0263-6352