00521nas a2200193   4500000000100000000000100001008004100002100001600043700001300059700001000072700001500082700001400097700001200111700001600123245016000139300000700299490000700306022001400313       2020                            d1 aT. van Staa1 aV. Palin1 aY. Li1 aW. Welfare1 aT. Felton1 aP. Dark1 aD. Ashcroft00aThe effectiveness of frequent antibiotic use in reducing the risk of infection-related hospital admissions: results from two large population-based cohorts  a400 v18  a1741-7015