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Ewan PW, Clark AT.Ewan PW, et al. Among authors: clark at.Lancet. 2001 Jan 13;357(9250):111-5. doi: 10.1016/s0140-6736(00)03543-1.Lancet. 2001.PMID: 11197398
Ewan P, Clark A.Ewan P, et al. Among authors: clark a.Lancet. 2001 Apr 7;357(9262):1127. doi: 10.1016/S0140-6736(00)04274-4.Lancet. 2001.PMID: 11303603No abstract available.
Clark AT, Mangat JS, Tay SS, King Y, Monk CJ, White PA, Ewan PW.Clark AT, et al.Allergy. 2007 Jul;62(7):744-9. doi: 10.1111/j.1398-9995.2007.01363.x.Allergy. 2007.PMID: 17573721Clinical Trial.