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Arbyn M, Smith SB, Temin S, Sultana F, Castle P; Collaboration on Self-Sampling and HPV Testing.Arbyn M, et al. Among authors: sultana f.BMJ. 2018 Dec 5;363:k4823. doi: 10.1136/bmj.k4823.BMJ. 2018.PMID: 30518635Free PMC article.