Comparing the effectiveness and cost-effectiveness of text-message reminders and telephone patient navigation to improve the uptake of faecal immunochemical test screening among non-responders in London: a randomised controlled trial protocol

比较短信提醒和电话患者导航在提高伦敦未应答者粪便免疫化学检测筛查接受率方面的有效性和成本效益：一项随机对照试验方案