Hits 1-2 within 2 documents
Collecting saliva samples for DNA extraction from children and parents: findings from a pilot study using lay interviewers in the UK [journal article]
Source: Survey Methods: Insights from the Field, (2014). p.13
Developments in fieldwork procedures and monitoring in longitudinal surveys: case prioritisation and electronic contact sheets on the UK Millennium Cohort Study [journal article]
Source: Survey Methods: Insights from the Field, (2020). p.1-12