The effect of an internet option and single-sided printing format to increase the response rate to a population-based study: a randomized controlled trial
- Digital Object Identifier
- https://doi.org/10.1186/1471-2288-14-104
- Open Access
- https://aura.abdn.ac.uk/bitstreams/034f7bbb-4673-4aa0-b66e-f305d3bfafaa/download