Hormonal contraception and the risk of severe asthma exacerbation: 17-year population-based cohort study.
Bright Ibeabughichi NwaruHolly TibbleSyed A ShahRebecca PillingerSusannah McLeanDermot P RyanHilary CritchleyDavid J PriceCatherine M HawrylowiczColin R SimpsonIreneous N SoyiriFrancis AppiagyeiAziz SheikhPublished in: Thorax (2020)
European Union electronic Register of Post-Authorisation Studies (EUPAS22967).