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TOMBOLA (Trial Of Management of Borderline and Other Low-grade Abnormal smears) Group; Sharp L, Cotton S, Cochran C, Gray N, Little J, Neal K, Cruickshank M.TOMBOLA (Trial Of Management of Borderline and Other Low-grade Abnormal smears) Group, et al. Among authors: little j.BJOG. 2009 Oct;116(11):1506-14. doi: 10.1111/j.1471-0528.2009.02263.x. Epub 2009 Jul 7.BJOG. 2009.PMID: 19583712Clinical Trial.