Intrauterine device and cervical cancer: we need more evidence - Authors' reply.
Unit of Infections and Cancer, Cancer Epidemiology Research Program, Institut Català d'Oncologia, Bellvitge Biomedical Research Institute, 08907 L'Hospitalet de Llobregat, Barcelona, Spain; Biomedical Research Centre Network for Epidemiology and Public Health, Spain.The lancet oncology (impact factor: 14.47). 12/2011; 12(13):1186-7. DOI:10.1016/S1470-2045(11)70355-2 pp.1186-7
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