00513nas a2200193 4500000000100000008004100001100001400042700001500056700001400071700001700085700001500102700001300117700001800130700001600148245012700164300000700291490000700298022001400305 2013 d1 aR. Boggon1 aR. Hubbard1 aL. Smeeth1 aM. Gulliford1 aJ. Cassell1 aS. Eaton1 aM. Pirmohamed1 aT. van Staa00aVariability of antibiotic prescribing in patients with chronic obstructive pulmonary disease exacerbations: a cohort study a320 v13 a1471-2466