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Weller D, Campbell C.Weller D, et al.Prim Care Respir J. 2006 Dec;15(6):323-5. doi: 10.1016/j.pcrj.2006.09.001. Epub 2006 Nov 13.Prim Care Respir J. 2006.PMID: 17095298Free PMC article.No abstract available.
Fern LA, Campbell C, Eden TO, Grant R, Lewis I, Macleod U, Weller D, Whelan J.Fern LA, et al. Among authors: weller d.Br J Gen Pract. 2011 May;61(586):e223-30. doi: 10.3399/bjgp11X572418.Br J Gen Pract. 2011.PMID: 21619746Free PMC article.