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Ahmed S, Rahman A, Hull S.Ahmed S, et al. Among authors: hull s.Br J Gen Pract. 1997 Jul;47(420):431-4.Br J Gen Pract. 1997.PMID: 9281870Free PMC article.
Hull SA, Tissier J, Moser K, Derrett CJ, Carter YH, Eldridge S.Hull SA, et al.Br J Gen Pract. 2000 Mar;50(452):183-7.Br J Gen Pract. 2000.PMID: 10750225Free PMC article.
Gray RW, Carter YH, Hull SA, Sheldon MG, Ball C.Gray RW, et al. Among authors: hull sa.Br J Gen Pract. 2001 May;51(466):371-4.Br J Gen Pract. 2001.PMID: 11360701Free PMC article.
Hull SA, Jones C, Tissier JM, Eldridge S, Maclaren D.Hull SA, et al.Br J Gen Pract. 2002 Feb;52(475):101-7.Br J Gen Pract. 2002.PMID: 11885819Free PMC article.