00485nas a2200169   4500000000100000000000100001008004100002100001300043700001600056700001700072700001700089700001200106245014700118300001100265490000700276022003200283       2000                            d1 aC. Meier1 aP. Napalkov1 aY. Wegmuller1 aT. Jefferson1 aH. Jick00aPopulation-based study on incidence, risk factors, clinical complications and drug utilisation associated with influenza in the United Kingdom  a834-420 v19  a0934-9723 (Print) 0934-9723