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Bisharat M, O'Donnell ME, Gibson N, Mitchell M, Refsum SR, Carey PD, Spence RA, Lee J.Bisharat M, et al.Ulster Med J. 2008 May;77(2):110-4.Ulster Med J. 2008.PMID: 18711632Free PMC article.
Badger SA, O'Donnell ME, Sherigar JM, Connolly P, Spence RA.Badger SA, et al.Ulster Med J. 2008 Jan;77(1):22-4.Ulster Med J. 2008.PMID: 18269113Free PMC article.