Kolovou V, Moriarty Y, Gilbert S, Quinn-Scoggins H, Townson J, Padgett L, Owen S, Buckle P, Edwards A, Hepburn J, Lau M, Matthews M, Mitchell C, Neal R, Playle R, Robling M, Smits S, Trubey R, Wood F, Brain K. Recruitment and retention of participants from socioeconomically deprived communities: Lessons from the awareness and beliefs about cancer (ABACus3) randomised controlled trial. June 2020, BMC Medical Research Methodology. Under open review.