Asthma in pesticide users: an update from the Great Britain Prospective Investigation of Pesticide Applicators’ Health (PIPAH) cohort study http://orcid.org/0000-0001-5941-090XDavid Fishwick1, Anne-Helen Harding2, http://orcid.org/0000-0003-4218-084XY Chen2, http://orcid.org/0000-0002-9938-7852Neil Pearce3, http://orcid.org/0000-0003-3339-8898Gillian Frost2 1Centre for Workplace Health, Science Division, Health and Safety Executive, Buxton, UK 2Science Division, Health and Safety Executive,...