Increased β2‐adrenoceptor phosphorylation in airway smooth muscle in severe asthma: possible role of mast cell‐derived growth factors. - Chachi, L.; Alzahrani, A.; Koziol‐White, C.; Biddle, M.; Bagadood, R.; Panettieri, R. A.; Bradding, P.; Amrani, Y. (Clinical & Experimental Immunology, 2018)