Effectiveness of a decision aid for promoting colorectal cancer screening in Spain: a randomized trial. - Lilisbeth Perestelo-Perez; Amado Rivero-Santana; Alezandra Torres-Castaño; Vanesa Ramos-Garcia; Yolanda Alvarez-Perez; Nerea Gonzalez-Hernandez; Andrea Buron; Michael Pignone; Pedro Serrano-Aguilar (BMC Medical Informatics Decis. Mak., 2019)