?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Hawkins&rft.aufirst=SS&rft.au=Hawkins%2C+SS&rft.date=September+2007&rft.atitle=The+impact+of+maternal+employment+on+breast-feeding+duration+in+the+UK+Millennium+Cohort+Study&rft.volume=10&rft.issue=9&rft.title=Public+Health+Nutrition&rft.issn=1368-9800&rft.pages=891-896&rft.genre=article