| Richard Coppin Randomized trial of bulb syringes for earwax: impact on health service utilizationRichard Coppin Research and Development Office, The Surgery, Overton, Hampshire, United Kingdom Ann Fam Med 9:110-4. 2011 Managing earwax in primary care: efficacy of self-treatment using a bulb syringeRichard Coppin The Surgery, Overton Br J Gen Pract 58:44-9. 2008 Management of earwax in primary care--postal survey of UK GPs and practice nursesRichard Coppin The Surgery, Overton, Hants, UK Fam Pract 21:413-4. 2004
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