Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...
Lancaster Guardian on MSN
Self-sampling could reduce disparities in cervical screening
New research from University of Manchester experts suggests that introducing a UK-wide self-sampling programme alongside ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback