00360nas a2200145   4500000000100000008004100001100001500042700001500057700001400072700001300086245008300099300001100182490000700193022001400200       2016                            d1 aC. Windsor1 aE. Herrett1 aL. Smeeth1 aJ. Quint00aNo association between exacerbation frequency and stroke in patients with COPD  a217-250 v11  a1176-9106