South Yorkshire Cohort: a 'cohort trials facility' study of health and weight: Protocol for the recruitment phase

Clare Relton, Paul Bissell, Christine Smith, Joanna Blackburn, Cindy L Cooper, Jon Nicholl, Angela Tod, Rob Copeland, Amanda Loban, Tim Chater, Kate Thomas, Tracey Young, Carol Weir, Gill Harrison, Alison Milbourn, Rachel Manners