00351nas a2200121   4500000000100000008004100001100001300042700001400055700001300069245012500082300000800207022001400215       2019                            d1 aC. Bloom1 aS. Walker1 aJ. Quint00aInadequate specialist care referrals for high-risk asthma patients in the UK: an adult population-based cohort 2006-2017  a1-7  a0277-0903