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Open Access UCL Research: Sample selection, recruitment and participation rates in health examination surveys... https://t.co/VRa2kSoQ7J
Open Access UCL Research: Sample selection, recruitment and participation rates in health examination surveys... https://t.co/VRa2kSoQ7J
HES in Europe: An overview of sample selection, recruitment and participation rates in 7 EU countries https://t.co/Sv1xp2mZLm