00546nas a2200193   4500000000100000000000100001008004100002100001500043700001400058700001400072700001800086700001700104700001300121700001400134245015500148300001000303490000700313022003200320       2001                            d1 aN. Andrews1 aE. Miller1 aP. Waight1 aP. Farrington1 aN. Crowcroft1 aJ. Stowe1 aB. Taylor00aDoes oral polio vaccine cause intussusception in infants? Evidence from a sequence of three self-controlled cases series studies in the United Kingdom  a701-60 v17  a0393-2990 (Print) 0393-2990