00640nas a2200205   4500000000100000000000100001008004100002100001500043700001300058700001500071700001600086700001300102700001400115700001600129700001200145245022600157300001200383490000700395022003200402       2003                            d1 aS. Bremner1 aI. Carey1 aS. DeWilde1 aN. Richards1 aW. Maier1 aS. Hilton1 aD. Strachan1 aD. Cook00aEarly-life exposure to antibacterials and the subsequent development of hayfever in childhood in the UK: case-control studies using the General Practice Research Database and the Doctors\textquoteright Independent Network  a1518-250 v33  a0954-7894 (Print) 0954-7894