00542nas a2200157   4500000000100000000000100001008004100002100001500043700001500058700001500073700001500088245024900103300001200352490000600364022001400370       2018                            d1 aH. Caspard1 aA. Steffey1 aR. Mallory1 aC. Ambrose00aEvaluation of the safety of live attenuated influenza vaccine (LAIV) in children and adolescents with asthma and high-risk conditions: a population-based prospective cohort study conducted in England with the Clinical Practice Research Datalink  ae0231180 v8  a2044-6055