00434nas a2200181   4500000000100000000000100001008004100002100001400043700001500057700001700072700001400089700001500103700001300118245008600131300001400217490000700231022001400238       2018                            d1 aF. Nissen1 aD. Morales1 aH. Mullerova1 aL. Smeeth1 aI. Douglas1 aJ. Quint00aConcomitant diagnosis of asthma and COPD: a quantitative study in UK primary care  ae775-e7820 v68  a0960-1643