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Chambler AF, Chapman-Sheath PJ, Pearse MF, Hollingdale J.Chambler AF, et al. Among authors: pearse mf.Postgrad Med J. 1997 Oct;73(864):660-1. doi: 10.1136/pgmj.73.864.660.Postgrad Med J. 1997.PMID: 9497984Free PMC article.
Prosser AJ, Brenkel IJ, Pearse M, Gregg PJ.Prosser AJ, et al.Postgrad Med J. 1987 Aug;63(742):657-9. doi: 10.1136/pgmj.63.742.657.Postgrad Med J. 1987.PMID: 3422867Free PMC article.