Sheridan Rains, Luke ORCID: 0000-0003-4905-4168 , Marston, Louise, Hinton, Mark, Marwaha, Steven, Craig, Thomas, Fowler, David, King, Michael, Omar, Rumana Z., McCrone, Paul ORCID: 0000-0001-7001-4502 , Spencer, Jonathan, Taylor, Joanne, Colman, Sophie, Harder, Catherine, Gilbert, Eleanor, Randhawa, Amie, Labuschagne, Kirsty, Jones, Charlotte, Stefanidou, Theodora, Christoforou, Marina, Craig, Meghan, Strang, John, Weaver, Tim and Johnson, Sonia (2019) Clinical and cost-effectiveness of contingency management for cannabis use in early psychosis: the CIRCLE randomised clinical trial. BMC Medicine, 17:161. ISSN 1741-7015 (Online) (doi:https://doi.org/10.1186/s12916-019-1395-5)