00554nas a2200205   4500000000100000000000100001008004100002100001400043700001500057700001600072700001100088700001700099700002100116700001700137700001400154245014700168300001200315490000700327022001400334       2021                            d1 aJ. Walker1 aC. Rentsch1 aH. McDonald1 aJ. Bak1 aC. Minassian1 aG. Amirthalingam1 aM. Edelstein1 aS. Thomas00aSocial determinants of pertussis and influenza vaccine uptake in pregnancy: a national cohort study in England using electronic health records  ae0465450 v11  a2044-6055