The effect of optimised patient information materials on recruitment in a lung cancer screening trial: An embedded randomised recruitment trial

Adwoa Parker, Peter Knapp, Shaun Treweek, Vichithranie Madhurasinghe, Roberta Littleford, Stephanie Gallant, Frank Sullivan, Stuart Schembri, Jo Rick, Jonathan Graffy, David J. Collier, Sandra Eldridge, Anne Kennedy, Peter Bower^*