A randomised study of nurse collected venous blood and self‑collected dried blood spots for the assessment of cardiovascular risk factors in the Understanding Society Innovation Panel
Does the feedback of blood results in observational studies influence response and consent? A randomised study of the Understanding Society Innovation Panel
Nurse- and self-collected dried blood spots for the assessment of cardiovascular risk factors: a randomised study of the Understanding Society Innovation Panel
Does the feedback of blood results in observational studies influence response and consent? A randomised study of the Understanding Society Innovation Panel