Using new technologies for time diary data collection: instrument design and data quality findings from a mixed-mode pilot survey by Chatzitheochari, S, Fisher, K, Gilbert, E, Calderwood, L, Huskinson, T, Cleary, A, Gershuny, J

Linking Millennium Cohort data to birth registration and hospital episode records. by Hockley, C, Quigley, M, Hughes, G, Calderwood, L, Joshi, H, Davidson, L