<p>Collection method of participants recently screened since the policy change offering universal access to self-collection (i.e., after July 2022), by reported screening frequency and whether choice was offered.</p>
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Collection method of participants recently screened since the policy change offering universal access to self-collection (i.e., after July 2022), by reported screening frequency and whether choice was offered.
创建时间：
2026-03-09
