BMJ Open
https://www.researchpad.co/tools/openurl?pubtype=&doi=10.1136/bmjopen-2019-034192&title=Prevalence and risk factors for wheeze, decreased forced expiratory volume in 1 s and bronchoconstriction in young children living in Havana, Cuba: a population-based cohort study&author=&keyword=[{keywordId=2330, uniqueName=asthma, name=Asthma, contentId=9881}, {keywordId=6830, uniqueName=paediatrics, name=Paediatrics, contentId=9881}, {keywordId=10274, uniqueName=cuba, last=true, name=Cuba, contentId=9881}],[{keywordId=2330, uniqueName=asthma, name=Asthma, contentId=9881}, {keywordId=6830, uniqueName=paediatrics, name=Paediatrics, contentId=9881}, {keywordId=10274, uniqueName=cuba, last=true, name=Cuba, contentId=9881}],[{keywordId=2330, uniqueName=asthma, name=Asthma, contentId=9881}, {keywordId=6830, uniqueName=paediatrics, name=Paediatrics, contentId=9881}, {keywordId=10274, uniqueName=cuba, last=true, name=Cuba, contentId=9881}],&subject=