00353nas a2200109 4500000000100000008004100001100002000042700001500062700001800077245013400095022001400229 2019 d1 aP. Rockenschaub1 aA. Hayward1 aL. Shallcross00aAntibiotic prescribing before and after the diagnosis of comorbidity: a cohort study using primary care electronic health records a1058-4838