?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Lewis%2C+KM&rft.aufirst=KM&rft.aulast=Lewis&rft.title=European+Journal+of+Epidemiology&rft.issn=1573-7284&rft.pages=797-805&rft.date=September+2017&rft.atitle=Mother's+education+and+offspring+asthma+risk+in+10+European+cohort+studies&rft.volume=32&rft.genre=article