Abdelmotelb AM, Rose‐Zerilli MJ, Barton SJ, Holgate ST, Walls AF, Holloway JW. Alpha‐tryptase gene variation is associated with levels of circulating IgE and lung function in asthma. Clin Experimental Allergy. 2014 May 24;44(6):822–30. doi: 10.1111/cea.12259.