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Iliffe S, Lenihan P, Orrell M, Walters K, Drennan V, Tai SS; SPICE Research Team.Iliffe S, et al. Among authors: drennan v.Br J Gen Pract. 2004 Dec;54(509):914-8.Br J Gen Pract. 2004.PMID: 15588536Free PMC article.